Foundations of Reason · Article 4 of 5
Are Right and Wrong Real?
Is morality just opinion, or are some things truly right and wrong?
Why this question matters
Most people talk and act as if some things are really wrong—cruelty, betrayal, abuse—and some things are really good—honesty, courage, generosity. At the same time, we hear that morality is "just relative," or "it's all a matter of opinion."
If we're going to think clearly about justice, human rights, and any worldview (religious or not), we need to ask: Is morality just personal or cultural taste, or is there something objectively real about right and wrong?
In this guide, we'll look at:
- Is morality just a matter of opinion?
- Are some things truly wrong—for everyone?
- Can evolution alone explain morality?
- Can society or majority vote define right and wrong?
- Do we need something beyond humans to ground moral reality?
- Why do we feel guilt—and should we listen to it?
1. Is morality just a matter of opinion?
1.1 Moral relativism in everyday language
"Moral relativism" is the idea that right and wrong are not objectively real; they're just reflections of individual or cultural preferences:
- "You have your morals, I have mine."
- "Who's to say what's really right or wrong?"
There is a kernel of truth here:
- People and cultures do disagree about some moral issues.
- We should be cautious about assuming our own perspective is automatically correct.
But moral relativism, taken all the way, has hard implications.
1.2 What happens if morality is only opinion?
If morality is nothing more than preference, then:
- Saying "Genocide is wrong" only means "I (or my culture) dislike genocide."
- A person who enjoys causing suffering is not wrong; they just have different tastes.
Most people recoil from this. We might acknowledge gray areas and hard cases, but we still think that some things are wrong regardless of what anyone thinks. That suggests we already treat morality as more than a personal playlist.
2. Are some things truly wrong—for everyone?
2.1 Testing our intuitions with hard cases
Consider a few examples:
- Deliberately torturing an innocent child for fun.
- Betraying a completely trusting friend purely for amusement.
- Systematically erasing an entire group of people because they are "inconvenient."
If someone calmly says, "I don't see anything wrong with those, that's just your opinion," we don't feel we've simply found another flavor of taste. We feel something deeper is off.
This reaction suggests that:
- We treat some moral claims as objective—true or false, independent of what people believe.
- We think some actions are wrong not just "for us," but in themselves.
2.2 The idea of moral facts
If at least some moral claims are objectively true or false, then there are moral facts—features of reality about how we ought to treat each other. They might be hard to know in some cases, but they are not created by our preferences alone.
The rest of this guide asks: if moral facts exist, what could explain them?
3. Can evolution alone explain morality?
3.1 Evolution as a story about how, not why
Evolutionary accounts of morality typically say:
- Behaviors that helped our ancestors survive and reproduce—like cooperation within a group—were favored.
- Over time, tendencies toward certain behaviors and feelings (like empathy, guilt, loyalty) became more common.
This can help explain how we came to have moral feelings and social norms. But there is a further question:
- Does "this behavior helped our ancestors survive" mean "this behavior is really good"?
- Does "this tendency reduced group conflict" mean "this tendency is morally right"?
Those are different kinds of statements. One is about what happened; the other is about what ought to happen.
3.2 "Useful" vs "good"
Even if a behavior once aided survival, we still ask:
- Is it good to lie if lying helps me survive?
- Is it good to sacrifice myself for someone else if that hurts my survival chances?
If morality is reduced entirely to evolutionary usefulness:
- There is no extra layer where something is "good" in itself.
- Calling something "good" just means "this was advantageous in some context."
Many people, including many secular thinkers, feel that this doesn't capture what we mean when we say things like "courage is good" or "betrayal is wrong." It treats morality as clever behavior, not as contact with something genuinely right or wrong.
4. Can society or majority vote define right and wrong?
4.1 Social consensus as the standard
Another proposal is that morality is whatever a society (or most people) agree on:
- If a culture agrees that something is acceptable, then it is right—for them.
- If they later change their minds, morality changes with them.
This approach emphasizes the importance of laws, social norms, and dialogue. But it faces a challenge: we also use morality to criticize societies.
4.2 Judging societies, past and present
Most people today would say:
- Slavery, as practiced in many times and places, was wrong—even when almost everyone in those societies accepted it.
- Genocide is wrong—even when a majority in a particular country supported it.
If majority vote or social practice is the final standard, then:
- We cannot say those societies were mistaken in any deep sense.
- We could only say, "We dislike what they liked."
Yet we often speak as if we are pointing to something beyond opinion: a standard that says, "This was wrong, even if almost everyone at the time thought it was right."
That suggests we are appealing to something above society—some moral reality by which societies themselves can be measured.
5. Do we need something beyond humans to ground moral reality?
5.1 The grounding question
If there are real moral truths—facts about what is genuinely right and wrong—we can ask:
- What makes those truths true?
- Why is it really wrong to torture the innocent, and not just unpopular?
Several options are discussed in philosophy:
Moral facts as brute features of the universe
Right and wrong exist as basic aspects of reality, not reducible to anything else.
Moral facts grounded in human nature or flourishing
Right and wrong are about what helps humans flourish as the kinds of beings we are.
Moral facts grounded in something beyond humans
For example, a moral law connected to a moral lawgiver (as many theistic views hold).
Each approach has strengths and challenges. For example:
- If moral facts "just exist," some ask why they have the authority they do.
- If morality is grounded in human flourishing, we still ask why we ought to care about flourishing in the first place.
- If morality is grounded in a personal source (like God), we ask what that means and how we could know anything about it.
The point here is not to pick a final answer, but to notice that taking morality seriously pushes us toward deeper questions about the structure of reality.
6. Why do we feel guilt—and should we listen to it?
6.1 Guilt as a signal
Guilt is the uncomfortable sense that we have done something we ought not to have done. It can be:
- Healthy, when it reflects real wrongs and leads to repair.
- Unhealthy, when it comes from unrealistic standards or manipulation.
But the existence of guilt raises questions:
- Why do we have such a strong built‑in reaction to certain actions, even when no one is watching?
- Why do people sometimes confess to things that could have remained hidden, at great cost to themselves?
If morality is nothing more than preference, guilt becomes a kind of psychological noise or social conditioning. If morality is connected to something real, guilt can be a signal that we are out of step with that reality.
6.2 From guilt to growth
The goal is not to be crushed by guilt, but to use it wisely:
- Ask whether the guilt corresponds to a genuine wrong, or to a distorted standard.
- Where it reflects real harm, it can point us toward apology, restitution, and change.
- Where it reflects manipulation or unrealistic expectation, it can be challenged and reframed.
Either way, our experience of guilt is one more clue that we live as if there is a way we ought to treat each other, not just as if we are managing preferences.
Where this leaves us
We've not tried to settle every debate about ethics, but we have seen:
- It is hard to live consistently as if morality is only a matter of taste.
- In practice, we treat some actions as truly wrong or right, beyond personal or cultural preference.
- Evolutionary stories can explain how we came to have moral feelings, but not by themselves why some actions are really good or evil.
- Majority vote and social consensus matter, but they don't seem to be the final word: we still judge societies themselves.
- If moral facts exist, we need some account of what makes them true—whether that's something about human nature, about the structure of reality, or about a source beyond us.
- Our experience of guilt and moral struggle suggests we see ourselves as answerable to a standard we did not invent.
From here, important questions include:
- Which view of morality best fits both our deepest moral intuitions and the hard realities of history?
- Can a purely human‑based account of morality fully explain the authority we sense in moral "oughts"?
- If there is a deeper grounding for moral reality, what might that be like?
Later sections (on worldviews, evidence, and the Christian story) will explore how different belief systems answer these questions. The aim here has been to recognize that right and wrong are not easy to reduce to personal taste, and that this matters for how we think about everything else.
Go deeper on morality and ethics
Resources listed with the original essay. Descriptions are the original author’s notes; links have not been re-checked.
Books
- The Elements of Moral Philosophy(opens in a new tab)
James Rachels & Stuart Rachels
Very widely used introductory ethics text. Explains relativism, subjectivism, utilitarianism, Kantian ethics, and more in clear, accessible language. Good neutral starting point on questions of objective vs subjective morality.
- Being Good: A Short Introduction to Ethics(opens in a new tab)
Simon Blackburn
A brief, readable tour of major moral questions from a largely secular perspective, engaging with relativism and objectivity.
- The Abolition of Man(opens in a new tab)
C.S. Lewis
Classic short work arguing that belief in objective value (a real "Tao" or moral law) underlies meaningful human life, and exploring what happens if we treat values as purely subjective. Influential even beyond Christian circles.
Articles
- Morality(opens in a new tab)
Stanford Encyclopedia of Philosophy
Broad survey of what philosophers mean by morality, including discussions of objective vs subjective accounts and the role of reasons and norms.
- Moral Relativism(opens in a new tab)
Stanford Encyclopedia of Philosophy
In‑depth article on different kinds of moral relativism, their motivations, and the main objections raised against them.
- Moral Objectivity(opens in a new tab)
Internet Encyclopedia of Philosophy
Overview of what it could mean for moral claims to be objectively true, and how philosophers have tried to defend or critique that idea.
Videos
- Is Morality Relative?(opens in a new tab)
Crash Course Philosophy
Short animated episode introducing moral relativism, its appeal, and its problems. Good for a quick overview.
- Is Anything Really Right or Wrong?(opens in a new tab)
Wireless Philosophy (Wi‑Phi)
Explainer video on moral realism vs anti‑realism, introducing the idea that some moral statements might be objectively true or false.
- The Case for Objective Morality(opens in a new tab)
Philosophy of religion
A talk that lays out a moral argument for objective values existing, with care to represent alternatives fairly.
- Evolution and Morality(opens in a new tab)
Lecture / panel
Explores how evolutionary accounts of morality work and where they might fall short in explaining normativity ("oughts").