What is ethics?
Ethics (moral philosophy) is thinking carefully about right and wrong, good and bad. It asks: What should I do? What kind of person should I be? How should we live together?
- Values: things we think are important, such as honesty, kindness, fairness, respect, freedom.
- Morals: the beliefs about right and wrong that a person or group lives by.
- Law vs ethics: something can be legal but unkind (breaking a promise to a friend), or illegal but brave (peaceful protest against an unjust law). Ethics goes beyond law.
- A moral dilemma is a choice where values clash, e.g. honesty vs loyalty.
Consequences: utilitarianism (Bentham and Mill)
Jeremy Bentham (18th century) said the right act gives the greatest happiness for the greatest number. Add up the pleasure and pain for everyone affected; choose the best total. John Stuart Mill added that some pleasures (learning, friendship) are higher than others.
Strengths: simple, cares about everyone equally, fits public policy (vaccines for all).
Weaknesses: hard to predict and measure happiness; it may allow harming a few if the many gain, which feels unjust.
Duty: Kant's ethics
Immanuel Kant (18th century) said an act is right if it comes from duty, not from the results. His tests (the categorical imperative):
- Universal law: act only on a rule you could want everyone to follow. "Lie when useful" fails: if all lied, no one would trust words.
- Respect for persons: treat people always as ends in themselves, never only as tools for your goal.
Strengths: protects rights and dignity; clear rules. Weaknesses: rigid when duties clash (tell the truth vs protect a friend from harm).
Virtue and character
Aristotle (ancient Greece) asked: What would a good person do? Good character is built by habits. A virtue is the wise middle (the golden mean) between two extremes:
| Too little | Virtue | Too much |
|---|---|---|
| Cowardice | Courage | Recklessness |
| Meanness | Generosity | Wastefulness |
| Rudeness | Honest kindness | Flattery |
A flourishing, happy life (eudaimonia) comes from living virtuously. Similar ideas appear in many traditions, for example the Indian idea of dharma (right duty) and the Buddhist middle way. Integrity means acting the same on the inside and outside.
Conscience, freedom and responsibility
Conscience is the inner voice that judges our actions as right or wrong. It is shaped by family, culture, reason and experience, so it must be educated and can sometimes be mistaken.
Free will: we can choose between options. If our actions were fully forced (determinism), praise and blame would make little sense. Most thinkers say we are free enough to be responsible: we must answer for our choices and their effects, and make amends when we harm others.
Are values universal? Meta-ethics and applied ethics
Meta-ethics asks what "good" even means. Objectivists say some moral truths hold for all (cruelty for fun is wrong everywhere). Relativists say morals depend on culture. Many conclude: customs differ, but core values like fairness, care and not harming the innocent are found almost everywhere, as in the Universal Declaration of Human Rights.
Applied ethics uses these ideas on real issues:
- Environment and animals: duties to future generations; avoiding needless animal suffering.
- Work: honesty, doing a job well, fair pay, no corruption.
- Relationships: trust, respect, consent, loyalty in friendship and love.
- Technology and medicine: privacy, AI, organ donation.
- Peace: non-violence (as practised by Gandhi), justice and forgiveness.
Key formulas and definitions
- Consequences (utilitarianism): right act = most total good − harm for everyone
- Duty (Kant): act only on a rule everyone could follow; treat people as ends
- Virtue (Aristotle): golden mean between too little and too much
- Freedom → choice → responsibility
- Objectivism (some values hold for all) vs relativism (values depend on culture)
Worked examples
1. A shopkeeper gives you ₹100 too much change. Use the three lenses.
Consequences: keeping it gains you ₹100 but the shopkeeper loses ₹100 and may be blamed; total good is not higher, and trust falls. Duty: "keep extra money when others make mistakes" cannot be a rule for everyone. Virtue: an honest person returns it. All three say: return the money.
2. Score two plans for a park with the consequence lens. Plan A: +4 for 10 children, −2 for 5 neighbours. Plan B: +2 for all 15 people.
A: 10 × 4 − 5 × 2 = 40 − 10 = 30. B: 15 × 2 = 30. Equal totals, so the lens does not decide; fairness (duty/virtue) may favour B because no one is harmed.
3. A friend asks you to hide the fact that he broke a school window. What is the dilemma and a good response?
The clash is loyalty vs honesty and fairness (someone else may be blamed). Duty: lying cannot be a universal rule. Virtue: courage and honesty. Good response: encourage your friend to tell the teacher himself and offer to go with him.
4. Is eating meat always wrong? Show how relativism and objectivism answer.
Relativist: it depends on culture and circumstance; many cultures accept it, others (e.g. many Indian vegetarian traditions) reject it. Objectivist: there may be a universal duty to avoid needless suffering, so at least cruel farming would be wrong everywhere. The debate shows how applied ethics uses theory.
Common mistakes
- Thinking legal always means ethical. Laws and ethics overlap but are not the same.
- Thinking utilitarianism means "whatever makes me happy". It counts everyone's happiness equally.
- Thinking Kant bans using anyone for help. He bans using people only as tools, without respect for them.
- Thinking a virtue is the most of something. It is the balanced middle, e.g. courage, not recklessness.