Last week in his final episodes of The Late Show, Stephen Colbert reversed roles with several former guests, relinquishing the familiar position of interviewer and, for a moment, becoming the one asked to answer life's larger questions.

During one exchange, comedian Jim Gaffigan posed a question that has haunted humanity since the dawn of civilization: What do you think happens when we die? Colbert's answer was thoughtful and sincere, describing "some continuance of some kind," a movement into "some greater being," an intuition that consciousness perhaps persists beyond the grave.

Had those words come from a secular celebrity, a spiritual seeker, or the average modern person trying to voice hope in the face of death, it would have sounded entirely familiar - thoughtful, sincere, and vaguely spiritual in the way modern conversations about eternity often are. What bothered me was hearing it from someone who openly professes Christianity.

To be clear, I wasn't bothered with Colbert's uncertainty about death. There's nothing unusual about that. Since the dawn of civilization, men and women have stood at the edge of mortality and tried to peer through the fog. Entire religions, philosophies, and cultures have emerged from our attempts to answer that single haunting question: What happens when we die?

While the answers have varied widely across cultures and centuries, they tend to orbit the same familiar ideas:

• Reincarnation — the soul endlessly cycling through lives in pursuit of purification

• Annihilation — consciousness simply extinguished like a candle in the wind

• Absorption into a cosmic spirit — the self dispersed into some larger consciousness

• Vague spiritual continuation — an undefined existence detached from judgment, resurrection, or personhood

Left to ourselves, we speculate … because speculation is all we possess.

What struck me about Colbert's answer is that he repeated those speculations despite his very public profession of Christianity. Yet Christianity makes a far bolder claim than just being one more thoughtful theory among humanity's many guesses.

Unlike all the others, Christianity claims testimony.

The center of the Christian faith is not merely a moral teacher spiritual philosopher offering reflections on eternity, but a Man who publicly walked into death and then walked right out again.

In other words, Christianity does not rest upon feelings, personal preference, or our best attempts to imagine what we hope is true. It rests upon the claim that Jesus Christ died, was buried, and rose again. Therefore, when Jesus spoke about eternity, it was not as a man fumbling in the dark but rather as One possessing authority over what lies beyond death:

• "I am the resurrection and the life…The one who believes in me will live, even though they die." (John 11:25)

• "In my Father's house are many rooms… I go to prepare a place for you." (John 14:2 - 3)

• "Today you will be with me in paradise." (Luke 23:43)

• "Whoever hears my word and believes him who sent me has eternal life… he has crossed over from death to life." (John 5:24)

Christians don't say, "Here is our theory." We say, "Here is our witness."

In other words, our faith does not offer vibes. It offers claims.

Perhaps this is why Colbert's answer has lingered with me these past few days. It reflects something larger than one celebrity's personal uncertainty. It felt emblematic of a broader drift, one increasingly visible even among people who sincerely identify as Christians.

Increasingly, many believers speak of eternity not in the language of resurrection, but in the language of intuition. Heaven becomes less a promised reality than a comforting metaphor. Eternal life becomes "energy," "presence," "continuance," or "something greater," - phrases warm enough to soothe anxiety yet vague enough to require no doctrinal substance.

Christian hope rests on nothing but the blood of a crucified and glory of a resurrected Christ.

The scandal of Christianity is that it dares to root eternal hope in historical reality. Christianity stakes everything upon whether something actually happened in history, not merely upon whether certain spiritual ideas feel meaningful.

Unlike other men, Christians need not invent comforting theories about what comes next. We need not sit around, nervously exchanging guesses about cosmic consciousness or "some greater being" while crossing our fingers against the darkness.

We can speak boldly about a real God who entered our history to shine light in the darkness by proving His authority over death and His boundless love for us.

'Through him all things were made; without him nothing was made that has been made. In him was life, and that life was the light of all mankind. The light shines in the darkness, and the darkness has not overcome it.' - John 1:3-5

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