Imagine that a friend asks you a question and the truthful answer would cause them unnecessary pain.
Should you tell the truth?
Most of us have an immediate sense that honesty matters. But we also think kindness matters. Sometimes these values point in different directions.
Now consider more difficult cases.
Is it acceptable to steal food to feed a starving child? Should one person be harmed if doing so would save five others? Do we have responsibilities towards strangers we will never meet? What about animals, or people who will live hundreds of years from now?
Questions like these belong to ethics, the branch of philosophy concerned with how we should live and what makes actions right or wrong.
We make moral judgements constantly.
Explaining why something is right or wrong is much harder.
Where Does Morality Come From?
Human beings have probably lived with moral rules for as long as we have lived in groups.
Societies develop ideas about acceptable behaviour because cooperation requires them. Children learn rules from parents and communities. Religions have provided moral teachings, while laws formalise some of society’s most important expectations.
Evolution may also help explain aspects of morality. Social animals benefit from cooperation, reciprocity and caring for offspring. Humans have particularly strong capacities for empathy, fairness and recognising the intentions of others.
But explaining where moral behaviour comes from is different from explaining what makes something morally right.
Suppose evolution made humans naturally selfish.
Would selfishness therefore be good?
Suppose an entire society accepted slavery.
Would that make slavery right?
The fact that people believe something does not necessarily tell us whether they ought to believe it.
And that small word – ought – creates one of philosophy’s biggest problems.
Are There Objective Moral Truths?
When we say that torturing an innocent person for amusement is wrong, we usually mean more than:
“I personally dislike it.”
We seem to be saying that it really is wrong, regardless of whether somebody happens to approve of it.
This suggests that there may be objective moral truths.
But where would such truths come from?
We can measure the mass of an object or the temperature of a star. It is less obvious how we could scientifically measure whether an action is morally good.
Some philosophers believe moral truths are nevertheless real and can be discovered through reason.
Religious traditions often ground morality in God or a divine order.
Others argue that morality develops from human needs, social relationships and our capacity to suffer and flourish.
Still others question whether objective moral facts exist at all.
The disagreement is fundamental.
Yet even without resolving it, we still have to decide how to behave.
Do Consequences Make an Action Right?
One seemingly straightforward approach is to judge actions by what happens because of them.
If an action produces more happiness and less suffering, perhaps that makes it morally better.
This idea is most closely associated with utilitarianism, developed particularly by Jeremy Bentham and John Stuart Mill.
In its simplest form, utilitarianism asks us to consider the wellbeing of everyone affected by an action.
This has an attractive impartiality.
My happiness does not automatically matter more simply because it is mine. The suffering of a stranger matters too.
Imagine that a small sacrifice from you could prevent enormous suffering elsewhere.
A utilitarian would ask us to take that benefit seriously.
But focusing entirely on consequences creates uncomfortable possibilities.
Would You Sacrifice One Person to Save Five?
A famous thought experiment asks us to imagine a runaway trolley heading towards five people.
You can divert it onto another track, but doing so will cause the death of one person.
Should you pull the lever?
If we judge only by the number of lives lost, saving five at the cost of one seems preferable.
But variations of the problem make our intuitions less comfortable.
Would you deliberately kill an innocent person if their death could somehow save five others?
Most people feel that there is a difference.
This suggests that morality may involve more than simply calculating the best overall outcome.
Perhaps some actions are wrong even when they produce good consequences.
Do We Have Duties?
The philosopher Immanuel Kant argued that morality should be based upon rational principles rather than simply upon consequences.
For Kant, people must never be treated merely as tools for achieving someone else’s goals.
Human beings have moral worth in themselves.
This leads towards a very different approach to ethics, known broadly as deontology or duty-based ethics.
Certain actions may be required or forbidden because of the principles involved.
Promises should be kept.
People should not be deceived.
Innocent people should not simply be sacrificed because doing so benefits a larger number.
This approach helps explain why ideas such as rights are so powerful.
If individuals possess rights, there are limits to what society may do to them even when violating those rights might benefit others.
But duty-based ethics has difficulties too.
What happens when duties conflict?
What if telling the truth puts someone’s life in danger?
Rules that seem sensible in ordinary circumstances can produce troubling results in exceptional ones.
Perhaps Morality Is About Character
Ancient Greek philosophers often approached ethics from another direction.
Instead of asking:
“What rule should I follow?”
they asked:
“What kind of person should I become?”
This approach is known as virtue ethics and is particularly associated with Aristotle.
Qualities such as courage, honesty, generosity, fairness and wisdom are virtues because they contribute to living well.
But virtue does not simply mean following a rigid rule.
Courage, for example, lies somewhere between cowardice and recklessness. Knowing how to act requires judgement.
A virtuous person develops the character needed to respond appropriately to different situations.
This makes ethics partly a matter of practice.
We become generous by behaving generously. We become more patient by practising patience. Character develops through repeated actions and habits.
Virtue ethics therefore shifts attention from isolated moral decisions towards the shape of an entire life.
Why Do Intentions Matter?
Imagine two people donate £100 to charity.
One genuinely wants to help.
The other cares nothing about the cause but knows the donation will make them look generous.
The consequences may be identical.
Do the actions have the same moral value?
Many of us think intentions matter.
Now imagine someone genuinely trying to help but accidentally making a situation worse.
Was the action wrong because the consequences were bad?
Or should the person’s good intentions count in their favour?
Moral judgement often involves several different considerations simultaneously:
What happened?
What was intended?
What rules or rights were involved?
What kind of character did the action express?
This helps explain why ethical problems rarely reduce neatly to a single formula.
Does Culture Decide What Is Right?
Different societies have held very different moral beliefs.
Practices considered acceptable in one historical period may be regarded as deeply wrong in another.
This raises the idea of moral relativism: perhaps morality depends upon culture rather than universal standards.
Relativism encourages humility.
Our own moral assumptions are shaped by the society in which we grew up, just as previous generations were shaped by theirs.
But complete relativism creates a serious difficulty.
If whatever a society accepts becomes morally right within that society, how could we condemn slavery, persecution or oppression when they were culturally accepted?
And how could moral progress occur?
To say that society has become morally better seems to require some standard beyond simply describing what society currently believes.
Cultural differences therefore show that moral beliefs vary.
Whether morality itself is entirely relative is another question.
Does Morality Require God?
Religion has provided moral frameworks for billions of people.
If morality comes from God, there appears to be an objective foundation for right and wrong beyond individual preference.
But philosophers have long asked a difficult question, famously associated with Plato‘s dialogue Euthyphro.
Is something good because God commands it?
Or does God command it because it is good?
If something becomes good simply because God commands it, morality might appear arbitrary.
But if God commands something because it is already good, goodness seems to exist independently of the command.
Religious philosophers have developed sophisticated responses to this problem, often grounding morality in God’s nature rather than arbitrary commands.
Non-religious philosophers, meanwhile, have attempted to build ethics upon reason, wellbeing, human flourishing, rights or the interests of conscious beings.
The relationship between God and morality therefore remains an important philosophical question rather than a simple choice between religion and having no moral standards.
Does Suffering Give Us a Starting Point?
Whatever their disagreements about moral theory, many ethical systems take suffering seriously.
Pain and distress matter to the creature experiencing them.
This raises an important question:
Whose suffering counts?
Only mine?
My family?
People in my country?
Every human being?
Other animals?
Future generations?
Philosopher Peter Singer, drawing upon utilitarian ideas, has argued that if a being is capable of suffering, its interests deserve moral consideration regardless of species.
This does not automatically tell us how to resolve every moral conflict.
But expanding the circle of beings whose interests we consider has been an important development in moral thought.
It also raises increasingly urgent questions about animal welfare, global poverty and our responsibilities towards future people affected by decisions made today.
Can Science Tell Us What Is Right?
Science can tell us a great deal that matters morally.
It can investigate what causes suffering, which policies improve health, how animals experience pain and how our actions may affect future climates and ecosystems.
But facts alone do not automatically produce values.
Suppose science demonstrates that a particular action increases happiness.
We still need the moral premise that increasing happiness is something we ought to value.
David Hume famously drew attention to the difficulty of moving from statements about what is the case to statements about what ought to be the case.
Science can therefore inform moral decisions enormously.
But deciding what counts as a good outcome involves philosophical questions too.
Why Are Moral Decisions So Difficult?
Real moral problems often involve several values pulling in different directions.
Freedom may conflict with safety.
Honesty may conflict with kindness.
Justice may conflict with mercy.
Individual rights may conflict with collective wellbeing.
Loyalty to someone close to us may conflict with fairness towards strangers.
Different ethical theories highlight different parts of these conflicts.
Consequentialism asks:
What will produce the best outcome?
Duty-based ethics asks:
What principles and rights should be respected?
Virtue ethics asks:
What would a good or wise person do?
None provides an automatic answer to every situation.
But together they give us better tools for thinking.
Are Our Moral Instincts Reliable?
People often have immediate moral reactions before consciously reasoning about them.
Something simply feels wrong.
These intuitions may reflect empathy, upbringing, evolutionary tendencies and previous experience.
They can be valuable.
But they can also be inconsistent.
We may care intensely about one identifiable person while remaining relatively unmoved by statistics describing thousands of strangers.
We may judge members of our own group differently from outsiders.
Emotional reactions can be influenced by disgust, fear or prejudice without providing good moral reasons.
Philosophy therefore asks us to do something difficult:
examine our own moral intuitions rather than simply obey them.
Sometimes reflection confirms them.
Sometimes it reveals contradictions.
So What Makes Something Right or Wrong?
There is no single ethical theory accepted by everyone.
Consequentialists emphasise the results of our actions.
Duty-based approaches emphasise principles, obligations and rights.
Virtue ethics asks what kind of character and life we should develop.
Religious traditions may ground morality in a divine reality, while secular approaches seek foundations in reason, human flourishing, suffering, cooperation or the interests of conscious beings.
These approaches often agree about ordinary cases.
Most condemn cruelty, dishonesty and unnecessary harm while valuing fairness, compassion and trust.
The hardest disagreements appear when important values conflict.
Perhaps moral reasoning therefore requires more than memorising rules.
It requires considering consequences, respecting other people, examining our motives, questioning our assumptions and being prepared to explain why we think an action is justified.
Learning to Ask Better Moral Questions
Philosophy may not provide a formula capable of solving every moral dilemma.
But it can improve the questions we ask.
Who might be harmed?
Who benefits?
Am I treating someone merely as a means to my own ends?
Would I accept this rule if it were applied to me?
Am I making an exception simply because the outcome benefits me?
What would happen if everyone behaved this way?
Are my instincts being influenced by prejudice or self-interest?
What kind of person will repeatedly making choices like this help me become?
These questions do not guarantee agreement.
They make moral judgement more thoughtful.
And perhaps that is part of what ethics is for.
Where the Question Leads
Once we begin asking how we ought to act, other philosophical questions quickly follow.
If morality involves becoming a certain kind of person, we encounter the question: What is the good life?
If people deserve moral responsibility for their actions, we return to free will.
If suffering gives creatures moral importance, questions about consciousness become relevant.
If morality has an objective foundation beyond human beings, we may eventually ask: Does God exist?
And when individual moral choices become rules governing millions of people, ethics becomes political philosophy:
Perhaps there is no single principle that tells us what is right in every imaginable situation.
But morality begins with an extraordinary human ability: we can step outside our immediate desires and ask not merely “What do I want to do?”
but
“What should I do – and why?”
The fact that we can ask that question does not guarantee that we will find the right answer.
It does give us the opportunity to search for one.