Truth in a Post-Truth Age

In 2016, Oxford Dictionaries selected "post-truth" as its Word of the Year, defining it as "relating to or denoting circumstances in which objective facts are less influential in shaping public opinion than appeals to emotion and personal belief." We live in an age where truth itself has become contested—where "fake news," "alternative facts," and "my truth" have become common currency. How should Christians think about and defend truth in such an environment?

The Crisis of Truth

The symptoms of our post-truth condition are everywhere. Political discourse has become tribal, with each side dismissing the other's claims as "fake news" while circulating questionable information of its own. Social media algorithms create echo chambers where people encounter only perspectives that reinforce their existing beliefs. Deep-fake technology makes it increasingly difficult to distinguish authentic videos from fabrications. Trust in traditional institutions—media, government, academia, even churches—has plummeted.

But the crisis runs deeper than technology and politics. At root, our culture has lost confidence that objective truth exists and can be known. When Pontius Pilate asked Jesus, "What is truth?" he did not stay for an answer (John 18:38). Contemporary culture has decided, with Pilate, that the question has no answer worth waiting for.

This is not merely an intellectual problem but an existential crisis. Without truth, public discourse becomes a power struggle between competing narratives. Without truth, personal identity becomes a matter of arbitrary choice. Without truth, morality becomes subjective preference. Without truth, the gospel becomes just one religious option among many. The stakes could not be higher.

What Is Truth?

Before we can defend truth, we must understand what it is. Three major theories have been proposed.

The Correspondence Theory

The classical view, held by most Christians and most ordinary people throughout history, is that truth is correspondence with reality. A statement is true if it accurately describes the way things actually are. "The cat is on the mat" is true if, in fact, the cat is on the mat—not because we believe it, not because it's useful to think so, but because that's how things are.

This view assumes that reality exists independently of our beliefs about it and that our beliefs can more or less accurately represent that reality. Truth is discovered, not created. It is objective, not subjective. It is the same for everyone, not different for different cultures or individuals.

The correspondence theory aligns with Scripture's own claims. When Jesus says, "I am the way, and the truth, and the life" (John 14:6), He claims to correspond to ultimate reality—to be how things actually are at the deepest level. When Paul says the resurrection either happened or it didn't (1 Corinthians 15:14-17), he assumes a correspondence view: the statement "Christ is risen" is either true or false depending on what actually occurred.

The Coherence Theory

The coherence theory holds that truth is a matter of internal consistency within a system of beliefs. A belief is true if it fits coherently with other beliefs we hold. Truth is not about correspondence to external reality but about the logical relationships among our beliefs.

There is something to this: a true belief system must be internally consistent. Contradictions indicate error somewhere. But coherence alone is insufficient. A work of fiction can be entirely coherent without being true. Two mutually exclusive belief systems could each be internally coherent. Coherence is a necessary condition for truth but not a sufficient one.

The Pragmatic Theory

The pragmatic theory, associated with American philosophers like William James and John Dewey, holds that truth is what works. A belief is true if it is useful, if it helps us navigate reality successfully, if it produces good results in practice.

Again, there is partial insight here: true beliefs generally are useful. Believing truly about the location of cliffs helps us avoid falling off them. But usefulness cannot be the definition of truth. Placebos "work" in some sense, but the belief that a sugar pill is medicine is not thereby true. A lie might produce temporarily useful results while remaining a lie.

Biblical Foundations for Truth

Scripture provides rich resources for understanding and defending truth. Several key themes deserve attention.

God as the Source of Truth

Truth is not an abstract principle but is grounded in the character of God Himself. God is called "the God of truth" (Psalm 31:5; Isaiah 65:16). His word is truth (John 17:17). He cannot lie (Titus 1:2; Hebrews 6:18). Truth flows from who God is—reliable, consistent, faithful to His word.

This grounding gives truth its stability and objectivity. Truth is not a human construction, subject to change with cultural fashions. It is rooted in the eternal, unchanging God. "The grass withers, the flower fades, but the word of our God will stand forever" (Isaiah 40:8).

Jesus as the Truth

In one of Scripture's most remarkable claims, Jesus declares, "I am the way, and the truth, and the life" (John 14:6). He does not merely teach truth or point to truth; He is truth. In His person, word, and work, we encounter ultimate reality.

This claim transforms our understanding of truth. Truth is not merely propositional but personal. Knowing truth ultimately means knowing Christ. The search for truth leads not to abstract principles but to a relationship with the One who embodies truth fully.

The Holy Spirit as the Guide to Truth

Jesus promised that the Holy Spirit would "guide you into all the truth" (John 16:13). The Spirit inspired Scripture, illuminates our understanding of it, and convicts the world concerning sin, righteousness, and judgment. Knowledge of divine truth is not achieved by unaided reason but is a gift of the Spirit.

This does not mean Christians have no need for study, evidence, or careful thinking. But it means that our epistemological situation is not merely humans groping toward truth but God actively revealing Himself and enabling understanding. This is good news in a skeptical age: truth can be known because God makes Himself known.

Scripture as the Word of Truth

The Bible presents itself as God's truthful word. It is "breathed out by God" (2 Timothy 3:16), a "lamp to my feet and a light to my path" (Psalm 119:105), and the standard by which all claims must be measured. To submit to Scripture is to submit to truth.

This gives Christians a firm foundation in a post-truth age. We are not left to construct our own truth or to negotiate truth among competing perspectives. God has spoken, and His word is reliable. This is not arrogance but humble dependence on revelation.

Objections to Objective Truth

Those who deny objective truth raise various objections. Christians should be prepared to respond.

"Truth Is Relative"

The claim that truth varies from person to person or culture to culture is perhaps the most common objection to objective truth. "What's true for you may not be true for me."

This objection confuses truth with belief or perspective. It is certainly true that beliefs vary—different people believe different things. It is also true that perspective affects understanding—we all see from particular vantage points. But neither observation entails that truth itself is relative.

Consider: If someone believes the earth is flat and another believes it is round, one of them is wrong. The shape of the earth does not depend on what anyone believes about it. Similarly, if Christianity is true—if God exists, if Christ rose from the dead—then it is true for everyone, including those who deny it. Their denial does not change reality.

Moreover, the claim "truth is relative" is self-defeating. Is that claim itself relative? If so, then it's not true for everyone, and we can ignore it. If it's objectively true that truth is relative, then at least one truth (that claim itself) is not relative, which contradicts the claim.

"All Truth Claims Are Power Plays"

Following Foucault, some argue that claims to truth are really attempts to exercise power over others. "Who gets to decide what's true?" is really asking "Who has the power?"

This cynical view has some basis—truth claims have indeed been used to oppress. But the view defeats itself. If all truth claims are power plays, then the claim that "all truth claims are power plays" is itself a power play. Why should we accept it? On its own terms, it has no more claim to truth than the views it criticizes.

Furthermore, genuine truth claims are precisely what protect the powerless against the powerful. If there is no truth, then might makes right. But if there is truth—including moral truth about human dignity and justice—then even the most powerful can be held accountable. Truth is the weapon of the weak, not just the tool of the strong.

"Science Is the Only Source of Truth"

Scientism—the view that only scientific claims count as genuine knowledge—is common in contemporary culture. "If you can't prove it scientifically, it's not true."

But this view is self-defeating. The claim "only scientific claims count as knowledge" is not itself a scientific claim; it cannot be verified by any experiment or observation. It is a philosophical claim—and one that cannot meet its own standard.

Moreover, science depends on assumptions it cannot prove: that the universe is orderly, that our cognitive faculties are reliable, that the future will resemble the past. These assumptions may be warranted, but they are not scientifically provable. Science presupposes truths it cannot establish.

"You Can't Know Absolute Truth"

Some argue that even if objective truth exists, our limited human perspectives make it impossible to know it. We are trapped in our contexts, unable to achieve a "God's eye view."

This objection contains an important insight—we are finite, fallen, and limited. Our knowledge is always partial and perspectival. But partial knowledge is still knowledge. I may not know everything about a friend, but I genuinely know some things. I may not have exhaustive knowledge of history, but I can know that the Holocaust occurred.

Furthermore, Christians believe that God has revealed Himself. We do not have to achieve a God's eye view because God has spoken from His vantage point. Scripture is divine revelation, giving us access to truth we could never discover on our own. Our knowledge remains limited, but it can be genuine knowledge grounded in God's reliable self-disclosure.

Living Truthfully in a Post-Truth Age

How should Christians respond to our post-truth condition? Several principles can guide us.

Pursue Truth Relentlessly

In an age of "alternative facts" and comfortable falsehoods, Christians must be committed to truth wherever it leads. We must be willing to have our assumptions challenged, to change our minds when evidence warrants, to care more about what is true than about what is convenient or comfortable.

This means resisting the echo chambers that surround us. We should expose ourselves to different perspectives, fact-check claims before sharing them, and hold ourselves to high standards of intellectual honesty. Christians of all people should be known for their commitment to truth.

Speak Truth Graciously

Paul calls us to "speak the truth in love" (Ephesians 4:15). Truth divorced from love becomes harsh and harmful; love divorced from truth becomes sentimental and false. The combination—truthful speech motivated by genuine care—is the Christian way.

This means telling hard truths when necessary but doing so with compassion. It means disagreeing without demonizing. It means treating those who reject truth as people made in God's image, worthy of respect even in disagreement.

Model Truthfulness

In a post-truth age, personal integrity is a powerful witness. When Christians are known for honesty, reliability, and keeping their word, we commend the gospel. When we are caught in hypocrisy or falsehood, we confirm the cynicism of our culture.

This includes being truthful about ourselves—acknowledging our struggles, admitting our failures, avoiding the pretense that Christians have it all together. Authentic witness requires authentic people.

Proclaim the Truth

Ultimately, the answer to our post-truth condition is not just any truth but the truth—the truth revealed in Christ and Scripture. The gospel is news about what God has done, and news is either true or false. We must proclaim it boldly as true, not merely as one perspective among many.

This proclamation should be confident without being arrogant. We do not claim to know everything, but we do claim to know Someone—the One who is Himself the truth. We invite others not merely to accept propositions but to encounter a Person.

Truth and the Gospel

The connection between truth and the gospel cannot be overstated. Christianity makes historical claims: Jesus was born, lived, died, and rose again. These either happened or they did not. The resurrection is not "true for Christians" but objectively true or objectively false.

Paul understood this with complete clarity: "If Christ has not been raised, your faith is futile and you are still in your sins... If in Christ we have hope in this life only, we are of all people most to be pitied" (1 Corinthians 15:17, 19). Christianity stakes everything on historical truth.

This is why the assault on truth is, ultimately, an assault on the gospel. If truth is merely personal or cultural, if all metanarratives are equally valid or invalid, then the Christian claim has no purchase. But if truth is objective, if events either happened or they did not, then the evidence for the resurrection demands a verdict.

In defending truth, we defend the very possibility of the gospel. And in proclaiming the gospel, we proclaim the most important truth there is: that God has acted in history to save sinners through the death and resurrection of His Son.

Conclusion

We live in an age that has declared war on truth—or rather, an age that has lost confidence that such a war could ever be won. But truth remains, unchanged by our beliefs about it. The sun rises whether we acknowledge it or not. History happened as it happened. God exists or does not. Christ rose or remained dead.

Christians are custodians of truth in a world that has forgotten it. We believe truth exists because God is truth. We believe truth can be known because God has revealed Himself. We believe truth matters because eternity hangs on whether we accept or reject it.

In this conviction, we neither retreat into private spirituality nor advance with arrogant certainty. We witness humbly but confidently to the One who said, "For this purpose I was born and for this purpose I have come into the world—to bear witness to the truth. Everyone who is of the truth listens to my voice" (John 18:37).

May we be among those who listen—and who help others listen—in this post-truth age.