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Buddhist ethical teachings on sexual ethics: HSC Studies of Religion

Syllabus dot point

“Ethics: describe and explain Buddhist ethical teachings on bioethics OR environmental ethics OR sexual ethics (this page: sexual ethics)”

HSCStudies of ReligionBuddhism Depth Study14 min read

Quick answer

Buddhist sexual ethics centres on the Third Precept, the training rule to refrain from sexual misconduct (kamesu micchacara). The Suttas describe misconduct as relations with someone protected by family or clan, "who has a husband", "whose violation is punishable by law" or who is betrothed (AN 10.176): sexual conduct that betrays commitments or harms others. It rests on deeper teachings: craving (tanha) as the cause of suffering (the Second Noble Truth), intention ("It is intention that I call deeds", AN 6.63), ahimsa and karuna (no harm, compassion), and the other precepts (honesty, no intoxicants). In relationships, husband and wife owe each other honour and fidelity (DN 31). Monks and nuns are celibate: "If a monk has sexual intercourse, he is expelled and excluded from the community" (Parajika 1). Marriage is a social contract, not a sacrament; in Japan, clergy of Jodo Shinshu and, after 1872, other schools may marry. Contemporary teachers restate the precept as consent, honesty and commitment (Plum Village's "True Love" training), and views on same-sex relationships and other modern issues vary.

Jump to a section
  1. What this dot point is asking
  2. The answer
  3. In one sentence
  4. Try this
  5. Exam-style questions
  6. Practice questions

What this dot point is asking

The ethics component of the Buddhism depth study asks you to describe and explain Buddhist ethical teachings in ONE area. This page covers sexual ethics: the teachings that guide Buddhists on sexual conduct, relationships, marriage, celibacy and related contemporary questions.

Three features of Buddhist ethics shape every good answer:

  1. Training rules, not commandments. The Five Precepts are undertaken voluntarily ("I undertake the training rule to refrain from ..."); there is no creator God who commands them. Their purpose is to reduce suffering and support the path to nirvana.
  2. Intention matters. "It is intention that I call deeds" (AN 6.63). The same outward act can be wholesome or unwholesome depending on the mind behind it.
  3. Two paths. Monks and nuns are celibate; lay Buddhists keep the Third Precept. Do not confuse the two.

Treat the topic with maturity, and note that Buddhists in Theravada, Mahayana and Vajrayana cultures, and in the West, apply the teachings in different ways.

The must-know spine

Third Precept: refrain from sexual misconduct (kamesu micchacara). AN 10.176: misconduct = relations with those protected by family, "protected on principle", married, "punishable by law", or betrothed. AN 6.63: "It is intention that I call deeds." Second Noble Truth: craving causes suffering; sensual desire (kama-tanha). DN 31: husband serves his wife "by treating her with honor, by not looking down on her, by not being unfaithful, by relinquishing authority to her, and by presenting her with adornments"; she is "not unfaithful". Vinaya, Parajika 1: monastic celibacy. Plum Village "True Love" training: "mutual consent, true love, and a deep, long-term commitment"; no discrimination on "gender identity or sexual orientation". Terms: sila, cetana, tanha, kama, brahmacariya (celibate life), metta, karuna, ahimsa.

The answer

Teaching 1: the Third Precept

Lay Buddhists undertake five training rules: to refrain from killing, from taking what is not given, from sexual misconduct, from false speech and from intoxicants. The Third Precept concerns sexual conduct.

What counts as misconduct
The Buddha describes the person who commits sexual misconduct: "They have relations with women who have their mother, father, both mother and father, brother, sister, relatives, or clan as guardian. They have relations with a woman who is protected on principle, or who has a husband, or whose violation is punishable by law, or even one who has been garlanded as a token of betrothal" (AN 10.176). The one who gives up misconduct avoids all of these.
The underlying principle
The examples share a common feature: they betray a commitment (marriage, betrothal), violate the protection of those responsible for someone, break the law, or exploit the vulnerable. Modern Buddhists therefore understand the precept as forbidding sexual conduct that causes harm: adultery, coercion, exploitation, deception and abuse, applying equally to men and women.
Application
The Third Precept guides Buddhists to fidelity, honesty and responsibility in relationships.

Teaching 2: craving and the Four Noble Truths

  • The Second Noble Truth teaches that suffering (dukkha) arises from craving (tanha), including craving for sensual pleasure (kama-tanha). Sexual desire is among the most powerful forms of craving.
  • Sensual desire (kamacchanda) is the first of the five hindrances to meditation.
  • The Middle Way avoids "indulgence in sensual pleasures" as well as self-mortification (SN 56.11). Buddhism does not teach that sexuality is evil, but that attachment to it binds beings to samsara.

Application. Buddhists are guided to be mindful of desire rather than be driven by it; restraint is a form of freedom. For monks and nuns, this leads to celibacy; for lay people, to moderation within committed relationships.

Teaching 3: intention, ahimsa and compassion

  • Intention. "It is intention that I call deeds" (AN 6.63). Sexual conduct motivated by greed, hatred or delusion (the three roots of unwholesome action) produces bad karma; conduct arising from love and care does not.
  • Ahimsa and the First Precept. Sexual violence, coercion and exploitation cause suffering and are forbidden by the First Precept as well as the Third.
  • Metta and karuna. Loving-kindness and compassion should shape how Buddhists treat partners.
  • The other precepts. The Fourth Precept (truthful speech) forbids deceiving a partner; the Fifth (no intoxicants) protects the clear judgement needed for responsible choices.

Application. Consent, honesty and care for the other person's wellbeing are central to contemporary Buddhist sexual ethics.

Teaching 4: relationships and marriage

  • Mutual duties. In the Advice to Sigalaka (DN 31), the Buddha teaches that "a husband should serve his wife ... by treating her with honor, by not looking down on her, by not being unfaithful, by relinquishing authority to her, and by presenting her with adornments", and that the wife in turn is "well-organized in her work", "not unfaithful" and careful with the household's resources. Fidelity is expected of both partners.
  • Marriage as a social contract. Buddhism does not treat marriage as a sacrament. Weddings are generally civil or cultural ceremonies, and in Theravada countries monks may be invited to chant blessings for a couple rather than conduct the wedding itself.
  • Clergy and marriage. In Japan, the Jodo Shinshu school has had married clergy since its founder Shinran, and in 1872 the Meiji government permitted Buddhist clergy to marry; married temple priests are now common in Japanese Buddhism. Theravada monks and Tibetan monks and nuns remain celibate.

Teaching 5: monastic celibacy

For fully ordained monks and nuns, the celibate life (brahmacariya) is required. The first and most serious rule of the Vinaya states: "If a monk has sexual intercourse, he is expelled and excluded from the community" (Parajika 1). Celibacy frees monastics from the attachments of family life so they can devote themselves fully to meditation, study and teaching. Lay Buddhists who keep the eight precepts on uposatha (observance) days also abstain from sexual activity for that day.

Applying the teachings to contemporary issues

Issue Teachings applied Buddhist responses
Adultery Third Precept (AN 10.176); DN 31 Clearly forbidden: it betrays a commitment and causes suffering
Sexual violence and exploitation First and Third Precepts; ahimsa Clearly forbidden; Buddhist communities have also had to confront abuse by teachers, and many have adopted codes of conduct
Sex before marriage Third Precept; intention; harm Not directly addressed in the Suttas; many teachers judge it by commitment, honesty and harm, while traditional communities discourage it
Contraception First Precept; intention Generally accepted, since preventing conception is not taking a life
Abortion First Precept (a bioethics issue) Widely regarded as taking life, with compassion for difficult circumstances
Same-sex relationships Third Precept; harm; compassion The Suttas do not directly address them for lay people; some traditional authorities treat them as misconduct, while many teachers apply the test of harm and consent; Plum Village commits practitioners "not to discriminate against any form of gender identity or sexual orientation"; Buddhist-majority Thailand's marriage equality law took effect in 2025

A contemporary restatement: Plum Village

The Vietnamese Zen teacher Thich Nhat Hanh's Plum Village community restates the Third Precept as the training in "True Love": "Aware of the suffering caused by sexual misconduct, I am committed to cultivating responsibility and learning ways to protect the safety and integrity of individuals, couples, families, and society. Knowing that sexual desire is not love, and that sexual activity motivated by craving always harms myself as well as others, I am determined not to engage in sexual relations without mutual consent, true love, and a deep, long-term commitment." It adds commitments to "protect children from sexual abuse" and "not to discriminate against any form of gender identity or sexual orientation".

This shows how Buddhists "navigate the world today": the traditional precept is kept, and its principles (non-harm, craving, intention) are applied explicitly to consent, abuse and diversity.

Evaluating Buddhist sexual ethics

  • Strengths. A clear, non-judgemental framework centred on harm and intention; equal expectations of fidelity for husband and wife; a psychologically realistic account of desire; flexibility for new situations.
  • Limits. The early texts reflect their social setting (for example, women described as "protected" by guardians); they do not directly address many modern questions, so guidance depends on interpretation.
  • Diversity. Practice varies between monastic and lay life, between countries, and between traditional and Western Buddhist communities.
Answering "Explain TWO ethical teachings relevant to sexual ethics" (5 marks)

Step 1: Choose two distinct teachings

The Third Precept and craving (the Second Noble Truth); or the Third Precept and intention (cetana).

Step 2: Source each

AN 10.176 for the precept's scope; the Four Noble Truths or AN 6.63 for craving or intention.

Step 3: Explain how each guides behaviour

Fidelity and avoiding harm; mindfulness of desire, restraint, celibacy for monastics.

Step 4: Use the terminology

Sila, kamesu micchacara, tanha, cetana, ahimsa, karuna, brahmacariya.

Common traps
Calling the precepts commandments
They are voluntary training rules.
Saying Buddhism teaches that sex is sinful
Buddhism teaches that craving causes suffering; sexuality within a harmless, committed relationship is compatible with lay practice.
Applying monastic rules to lay people
Celibacy is for monks and nuns (and lay people on uposatha days), not for all Buddhists.
Treating marriage as a Buddhist sacrament
It is a social contract, though monks may bless it.
Ignoring diversity
Distinguish traditional and contemporary views, and monastic and lay practice.

In one sentence

Buddhist sexual ethics rests on the Third Precept to refrain from sexual misconduct (relations that betray commitments or cause harm, AN 10.176), grounded in the teaching that craving causes suffering and that intention defines an act, supported by fidelity and respect between partners (DN 31) and monastic celibacy (Parajika 1), and applied today in terms of consent, honesty and non-harm, with diverse views on issues the early texts do not address.

Try this

Q1. Outline the Buddhist Third Precept. (2 marks)

  • What the marker wants. The training rule to refrain from sexual misconduct, with its scope (AN 10.176) or purpose.

Q2. Distinguish between Buddhist sexual ethics for monastics and for lay people. (4 marks)

  • What the marker wants. Celibacy for monks and nuns (Parajika 1) versus the Third Precept, fidelity and marriage for lay people (DN 31), with the reason for the difference.

Q3. Explain TWO Buddhist ethical teachings relevant to sexual ethics. (5 marks)

  • What the marker wants. Two distinct teachings, each sourced, explained and applied, with accurate terminology.

Exam-style questions

Questions in the style of NESA exam questions on this dot point, each with a worked answer. They are written by ExamExplained unless tagged "Past paper"; the year shows the paper a question is modelled on.

2025 HSCPast paper20 marks
What is chosen to be upheld in ethical decisions is shaped by sources such as sacred texts or lived experience and how they help adherents navigate the world today. With reference to the stimulus, analyse how the ethical teachings of Buddhism guide adherents to navigate the world today. In your response, refer to ONE of the following areas: Bioethics, Environmental ethics, Sexual ethics.
Show worked answer →

Criteria (NESA 2025 marking guidelines, SoR II Q28). 17 to 20: a comprehensive analysis of how the ethical teachings of Buddhism guide adherents to navigate the world today; integrates the stimulus effectively throughout; a cohesive, well-structured response with detailed, relevant and accurate information; relevant and accurate terminology. 13 to 16: thorough. 9 to 12: analysis. 5 to 8: description. 1 to 4: general statements.

NESA's own list used environmental ethics, but its framework applies: key teachings "could include" the Eightfold Path, ahimsa, karma, samsara, anicca and the Four Noble Truths, with "Prajna ... Samadhi ... then shapes the Sila (a person's ethical behaviour)".

A top-band structure for sexual ethics.

  1. Thesis on the stimulus. Buddhists uphold the Third Precept and the avoidance of harm, drawn from sacred texts (the Suttas and Vinaya) and applied through lived experience, since the precepts are training rules guided by intention and wisdom rather than commands.
  2. The Third Precept and its scope (AN 10.176): no relations that harm others or break commitments.
  3. Craving and the Second Noble Truth: sexual desire as a powerful form of tanha; mindfulness and restraint.
  4. Intention and harm (AN 6.63; ahimsa): consent, honesty and care.
  5. Relationships (DN 31): fidelity and respect between husband and wife.
  6. Monastic celibacy (Parajika 1) and lay life: two paths.
  7. Navigating today: contemporary statements such as Plum Village's "True Love" training (mutual consent, commitment, no discrimination on sexual orientation); diversity on same-sex relationships, contraception and abortion.
  8. Evaluation, returning to "sacred texts or lived experience".

Source: NESA, 2025 HSC Studies of Religion examination and marking guidelines.

2025 HSCPast paper5 marks
Explain TWO ethical teachings relevant to ONE of the following areas: Bioethics, Environmental ethics, Sexual ethics.
Show worked answer →
Criteria (NESA 2025 marking guidelines, SoR I Q12(b), SoR II Q23(b))
5 marks: a thorough explanation of TWO ethical teachings relevant to the chosen area, integrating relevant and accurate terminology. 4: sound. 3: explanation of TWO. 2: description of at least ONE. 1: statements about Buddhism.
A 5-mark answer on sexual ethics
Teaching 1: the Third Precept
Lay Buddhists undertake to refrain from sexual misconduct (kamesu micchacara). The Suttas describe misconduct as relations with those who are under the protection of family, "who has a husband", "whose violation is punishable by law", or who is betrothed (AN 10.176): relationships that break commitments or harm others. It guides Buddhists to fidelity and responsibility.
Teaching 2: craving (tanha) and the Second Noble Truth
Suffering arises from craving, and sexual desire is one of its strongest forms. Buddhists are guided to understand desire mindfully rather than be driven by it, so that sexual choices are made with wisdom and compassion rather than compulsion; for monks and nuns this leads to celibacy.

Source: NESA, 2025 HSC Studies of Religion examination and marking guidelines.

2024 HSCPast paper7 marks
(a) (i) Outline ONE ethical teaching in Buddhism. (2 marks) (ii) Explain how the teaching outlined in part (a) (i) is reflected in ONE of the following areas within the religious tradition of Buddhism: Bioethics, Environmental ethics, Sexual ethics. (5 marks)
Show worked answer →

Criteria (NESA 2024 marking guidelines, SoR I Q12(a), SoR II Q23(a)). (i) 2 marks: outlines ONE ethical teaching in Buddhism. (ii) 5 marks: a detailed and accurate explanation of how the teaching is reflected within Buddhism in the chosen area, integrating relevant and accurate terminology. NESA's sample answer outlined the Five Precepts.

(i) Outline. The Five Precepts are training rules for lay Buddhists: to refrain from killing, stealing, sexual misconduct, false speech and intoxicants. NESA's sample answer called them "the five fundamental ethical guidelines that help Buddhists behave in a moral and ethical way".

(ii) Reflected in sexual ethics.

  1. The Third Precept directly governs sexual conduct: no adultery or relations that break another's commitments (AN 10.176).
  2. The other precepts support it: the First (non-harm) forbids sexual violence and exploitation; the Fourth (truthful speech) forbids deceiving a partner; the Fifth (no intoxicants) protects clear judgement.
  3. Relationships: husbands and wives are to be faithful and respectful (DN 31).
  4. Two paths: lay people keep the Third Precept; monks and nuns are celibate (Vinaya, Parajika 1).
  5. Today: contemporary teachers restate the precept in terms of consent and care, for example Plum Village's "True Love" training.

Source: NESA, 2024 HSC Studies of Religion examination and marking guidelines.

2023 HSCPast paper5 marks
Set your heart on doing good. GAUTAMA BUDDHA. With reference to the stimulus, explain how ONE ethical teaching in Buddhism is applied in order to encourage adherents to do good. In your answer, refer to ONE of the following: bioethics, environmental ethics, sexual ethics.
Show worked answer →

Criteria (NESA 2023 marking guidelines, SoR I Q12(a), SoR II Q23(a)). 5 marks: an accurate and detailed explanation of how ONE ethical teaching in Buddhism encourages adherents to "do good", with reference to the chosen area; integrates the stimulus with clear examples; clear, accurate terminology. 4: accurate. 3: explanation. 2: general statements. 1: statements about Buddhism.

Plan using intention (cetana) and the Third Precept.

  1. Teaching. "It is intention that I call deeds" (AN 6.63): the ethical quality of an action lies in the intention behind it.
  2. Stimulus. "Set your heart" points to intention. In sexual ethics, doing good means acting from metta (loving-kindness) and karuna (compassion), not from craving or the wish to use another person.
  3. Application. Keeping the Third Precept, being faithful and honest with a partner (DN 31), never pressuring or exploiting anyone, and restraining desire through mindfulness.
  4. Effect. Wholesome intention produces good karma and supports progress towards nirvana, while harmful sexual conduct produces suffering for oneself and others.

Source: NESA, 2023 HSC Studies of Religion examination and marking guidelines.

Practice questions

Original practice questions graded from foundation to exam level, each with a full worked solution. Try them before revealing the solution.

foundation3 marks
Outline the Buddhist Third Precept. (Original)
Show worked solution →

The Third Precept is the training rule to refrain from sexual misconduct, undertaken by lay Buddhists as one of the Five Precepts. The Suttas describe misconduct as relations with someone who is under the protection of their family, married, betrothed or protected by law (AN 10.176): sexual conduct that betrays commitments or harms others. It is a training rule, not a commandment, and its aim is to reduce the suffering caused by craving.

Marking: 1 for the precept, 1 for its scope with a source, 1 for its purpose or nature.

core5 marks
Explain how the Buddhist teachings on craving and intention guide sexual behaviour. (Original)
Show worked solution →
Craving
The Second Noble Truth teaches that suffering arises from craving (tanha); sensual desire is among the most powerful forms of craving and one of the five hindrances to meditation. Acting compulsively on desire binds a person to samsara.
Intention
"It is intention that I call deeds" (AN 6.63): sexual acts are ethically judged by whether they arise from greed, hatred and delusion or from metta and karuna.
Guidance
Lay Buddhists keep the Third Precept, remain faithful (DN 31), never coerce or exploit, and practise mindfulness of desire. Monks and nuns renounce sexual activity altogether (Parajika 1) to devote themselves to the path.
Today
Many teachers express this as mutual consent, honesty and commitment, as in Plum Village's "True Love" training.

Marking (Original): 5 for accurate teachings with sources and a clear explanation of how they guide behaviour for lay people and monastics.

exam7 marks
Evaluate the extent to which Buddhist sexual ethics provide clear guidance on contemporary issues. (Original)
Show worked solution →
Clear guidance
The Third Precept clearly forbids adultery and relationships that betray commitments or break the law (AN 10.176); the First Precept clearly forbids sexual violence and exploitation; DN 31 requires fidelity and respect between spouses; monastic celibacy is clearly defined (Parajika 1).
Principles applied flexibly
Because the precepts are training rules judged by intention (AN 6.63) and harm, Buddhists apply them to new questions (contraception, premarital relationships) by asking whether an act causes suffering. Contraception is generally accepted because preventing conception is not killing; abortion falls under the First Precept (bioethics).
Less clear areas
The Suttas do not directly address same-sex relationships between lay people. Views vary across countries and teachers: some traditional authorities regard them as misconduct, while Plum Village's training commits practitioners "not to discriminate against any form of gender identity or sexual orientation", and Buddhist-majority Thailand's marriage equality law took effect in 2025.
Judgement
Buddhist sexual ethics give clear guidance on fidelity, harm and consent, but on issues the texts do not address, guidance depends on how teachers and communities interpret the principle of avoiding harm.

Marking (Original): 7 for a supported judgement, accurate teachings and sources, contemporary examples, and recognition of diversity.

Practise this

Sources & how we know this

Based on the official NESA syllabus. Not yet individually reviewed by a person; always check NESA and your school's materials for current rules.

ExamExplained