Humans Cannot Be the Standard of Good and Evil

Human beings can discern good and evil in limited ways, but they cannot bear the authority of ultimate moral judgment. The deeper problem is not only that we err, but that we so often place ourselves in God’s position.

Humans Cannot Be the Standard of Good and Evil
Photo by Tingey Injury Law Firm / Unsplash

To discern good and evil is one thing. To make oneself their final standard is another. The human moral crisis begins when judgment turns into self-deification.


“You will be like God, knowing good and evil.” — Genesis 3:5

These words appear in the Garden of Eden. They are the serpent’s temptation to humanity, and they mark one of the true beginnings of the human moral crisis. The point is not simply that human beings would gain some higher moral knowledge. The deeper temptation is this: that human beings would begin to place themselves at the center, apart from God, and claim the right to define what is good and what is evil, what is right and what is wrong.

In that sense, Genesis 3 is not telling the story of humanity “finally becoming wiser.” It is telling the story of humanity first trying to place itself in the ultimate position of moral judgment—the position that belongs to God alone. Human beings no longer wanted merely to discern good and evil; they wanted to become the final standard of good and evil.

And this is where the problem becomes serious: can human beings actually bear such authority?

I. Human beings are not entirely without moral perception

To begin with, human beings are not morally blind.

We recoil from betrayal, resent deception, sympathize with the wounded, and admire honesty, loyalty, mercy, and justice. Even when different cultures disagree on specific norms, human beings still retain some shared moral intuition regarding cruelty, injustice, hypocrisy, and harm.

This tells us that people are not without moral awareness. There remains in us a certain created, residual, and limited ability to discern. From a theological perspective, this is not surprising. If human beings were made in the image of God, then they cannot completely lose all perception of good and evil. Conscience remains—yet conscience is no longer pure.

And this is precisely the problem: to perceive is not the same as to judge rightly; to have moral intuition is not the same as to possess ultimate moral authority.

A person may sense that something is wrong and still be unable to explain clearly why it is wrong. A person may feel outrage at injustice and still be unable to guarantee that such outrage is itself just. Human beings are not utterly without moral discernment, but neither are they the final court of moral truth.

II. The temptation in Eden was, at its core, a struggle over moral authority

The temptation in Genesis 3 was not merely about knowledge. It was also about authority.

The serpent’s real promise was not simply, “You will know more,” but, “You will no longer need to depend on God. You can judge for yourselves.” That is the danger hidden in the phrase, “you will be like God.” Its power lies not merely in information, but in the fantasy of sovereignty. Human beings would no longer have to submit to a higher standard or answer to a higher authority. They could decide for themselves what is good and what is evil.

This is deeply seductive. To make moral judgments for oneself feels liberating. No one seems able to restrain you. No one seems above you. You no longer stand merely within an order; you begin to imagine that you can define the order itself.

But Genesis immediately exposes the illusion. Once human beings attempt to take God’s place, the result is not clearer judgment, but a fractured self.

After eating from the tree of the knowledge of good and evil, humanity’s first response is not wisdom, but shame; not freedom, but hiding; not moral maturity, but blame-shifting. Adam blames Eve, and Eve blames the serpent. Human beings do not become more like God by seizing judgment for themselves. They become more visibly fearful, divided, evasive, and self-protective.

This shows that “knowing good and evil” here is not a neutral increase in knowledge. It is humanity’s attempt to seize ultimate moral authority. And the paradox is that the more human beings want to become judges, the more they reveal that they are themselves the ones who need to be judged, exposed, corrected, and redeemed.

III. Why human judgment is often unreliable

Human beings cannot become the ultimate standard of good and evil, not because they have no judgment at all, but because human judgment is limited, damaged, and easily distorted.

First, human beings are finite.
We know too little, see too narrowly, and experience too partially. We often grasp only one part of a matter and mistake that part for the whole. We see immediate consequences without seeing longer ones. We reach conclusions quickly on the basis of incomplete knowledge.

Second, human beings judge from within their own emotional and existential conditions.
Judgment never happens in a vacuum. Emotions, desires, anxieties, wounds, memories, interests, and identities all shape moral perception. When angry, we are more likely to cast others as evil. When wounded, we are more likely to see ourselves only as victims. Fear can disguise retreat as wisdom and avoidance as prudence.

Third, human beings are constantly filtered through their own histories.
Those who have been hurt often find it harder to trust. Those who have benefited from a system often find it easier to justify themselves. Those who have long occupied a position of power, status, or advantage are especially prone to mistake their own standpoint for universal truth.

This is why moral judgment so often becomes not a clear apprehension of truth, but an interpretation of truth through one’s own position. The same event can be read as good or evil, just or unjust, by different people in radically different ways. The problem is not only that reality is complex, but that the human judge is unstable.

IV. More dangerous than misjudgment is the rationalization of evil

If misjudgment is dangerous, something worse follows: human beings not only misjudge good and evil, but rationalize evil itself.

The most dangerous people are not always those who openly say, “I intend to do evil.” Often they are those who sincerely believe they are doing good while moving steadily in the wrong direction.

This is one of the darkest truths about human beings: evil often appears not in the form of obvious wickedness, but in the form of righteousness. People call prejudice principle, revenge justice, ambition duty, and self-interest responsibility. Outwardly they may seem to be defending what is right; inwardly they may simply be protecting themselves or enlarging their own power.

Scripture sees this with terrifying clarity: “The heart is deceitful above all things, and desperately sick.” (Jeremiah 17:9) This does not mean that every person is consciously malicious at every moment. It means that the inner system by which human beings judge is itself compromised. What people fail to recognize most easily is often not another person’s evil, but the moment when they themselves have begun to package evil as good.

So the deepest danger is not merely that human beings can be wrong, but that they are often most wrong when they are most convinced they are right.

V. Discernment is not the same as condemnation

This point needs to be stated carefully. The issue is not whether people should distinguish right from wrong. The issue is that people so easily move from discernment to condemnation, and from judgment to self-deification.

Scripture does not abolish moral discernment. On the contrary, it calls people to discern justly, to refuse moral confusion, and not to remain silent before wrongdoing. The danger lies elsewhere: human beings turn discernment into condemnation, correction into self-exaltation, and commitment to truth into the occupation of God’s place.

Jesus says, “Judge not, that you be not judged.” (Matthew 7:1) But He then goes on to describe the person who sees the speck in another’s eye while failing to notice the log in his own. The point is not the abolition of moral judgment, but the rejection of hypocritical judgment, proud condemnation, and unexamined self-righteousness. At the same time, Jesus also says, “Do not judge by appearances, but judge with right judgment.” (John 7:24) Scripture is therefore not against judgment as such. It is against the human claim to an absolute, final, and untainted authority to judge.

More precisely:

Human beings may discern, warn, and point out wrong. But they may not treat themselves as ultimate judges, nor condemn others out of self-righteousness.

What is self-righteousness? It is the quiet assumption that one stands on the side of the good, and therefore has the right to pronounce on others. The self-righteous person overestimates his own clarity, underestimates his own distortions, speaks easily about the faults of others, and resists the possibility that he himself may be wrong.

Once humility is lost, judgment quickly becomes condemnation. Once truth is detached from self-examination, discernment becomes an instrument of emotion, power, or pride.

VI. Human beings want God’s authority without God’s sight

“You will be like God, knowing good and evil.” (Genesis 3:5)

The absurdity of this temptation lies here: human beings desire a God-like authority to judge without possessing God’s sight.

God can judge not only because He has authority, but because He knows all facts, sees all motives, penetrates what is hidden, and is never corrupted by desire, insecurity, pride, or fear.

Human beings are nothing like this.
Their knowledge is partial, their understanding fragmentary, their perceptions real but incomplete. Their judgments are constantly shaped by desire, fear, trauma, identity, memory, and interest. The more they try to place themselves in God’s position, the more clearly they reveal that they do not have the capacity to bear that position.

Genesis 3 is therefore not a celebration of human moral maturity. It is a revelation of what happens when human beings attempt to define good and evil apart from God: they lose truth in the very act of claiming moral mastery.

VII. If human beings cannot be the standard, where does the standard come from?

At last the question becomes unavoidable: if the standard of good and evil is left to human beings alone, then good and evil will inevitably shift with time, interest, power, emotion, and social consensus. What appears to be moral judgment will often turn out to be little more than the assertion of position. What is called good today may be revised tomorrow. The powerful can package their preferences as justice; the weak can only describe their wounds in moral language.

In the end, “good” and “evil” become no more than the competition of voices.

And yet human experience itself resists this conclusion. We do not really believe that evil is evil only because we dislike it. We do not truly believe that cruelty would become good if enough people approved of it. We still assume, even when we struggle to articulate it, that some things are wrong in themselves, and some forms of justice remain binding even when imperfectly realized.

This suggests that good and evil are not inventions of human beings. Human beings are not creators of moral reality. They are discerners of it. They do not establish the ultimate standard; they are called to recognize it.

If moral judgment is not to collapse into relativism, then it must rest on something beyond human beings—something stable, enduring, and not subject to the drift of appetite or the pressure of culture. That ground is not personal preference, social fashion, or collective agreement. It is the truth of God, the order of God, and the moral reality grounded in God Himself.

Human beings may judge, but they may not enthrone themselves as the standard.
Human beings may discern, but they may not absolutize their own conclusions.
Human beings may seek justice, but they may not place themselves above justice.

VIII. Conclusion

The deepest question, then, is not, “What do I think is right?” but rather:

Is my judgment aligned with truth? Is what I defend ordered toward the enduring good?

Without a standard beyond human beings, all moral judgment eventually dissolves into shifting, negotiable opinion. But if such a standard truly exists, then the human task is not to invent good and evil, but to recognize them humbly, submit to them, and be corrected by them.

Human beings do not need to become original in the matter of ultimate moral standards. They need to become honest about their own finitude, corruption, and tendency toward self-deception. Their danger lies not in the complete absence of moral perception, but in this: they are limited, morally compromised, and yet constantly tempted to occupy the place of ultimate judgment.

And their way forward is not the abandonment of discernment, but the abandonment of self-righteousness; not the refusal to judge, but the refusal to make themselves the final measure of judgment; not the invention of good and evil, but the patient, humble recognition of them under a truth greater than themselves.

Human beings cannot be the standard of good and evil.

“Forgetting what lies behind and straining forward to what lies ahead, I press on toward the goal.” (Philippians 3:13–14)