Some skeptics dismiss God on the simplest of grounds: they cannot see Him, so they conclude there is no way to know He is there. The reasoning sounds like common sense. But it rests on an assumption that does not survive a second look — the assumption that only what can be seen is real.

That assumption is false on its own terms, and the skeptic relies on invisible things every time he opens his mouth. No one has ever seen gravity; we see only what it does. No one has ever seen the laws of logic, yet every argument — including the argument against God — depends on them. No one has weighed justice, photographed love, or held a number in their hand, and yet we stake our lives on all of them being real. The claim “only the visible exists” is itself a claim no one has ever seen. It cannot pass its own test. Invisibility does not mean that something does not exist or is not a reality.

So the skeptic's objection collapses before we even open the Bible. But Scripture has far more to say than “invisible things can be real.” It tells us why this particular One is unseen — and the answer comes in two parts.

The first is His nature. God is not a large object somewhere in the universe that we have simply failed to locate. He is Spirit:

John 4:24 (NKJV)

God is Spirit, and those who worship Him must worship in spirit and truth.

To be Spirit is to be without body, without parts, not made of the matter that eyes are built to detect. His invisibility is not a deficiency, as if God were hiding or too far away. It is what it means to be the infinite, immaterial Creator of everything that can be seen. Asking to see God with the eye is like asking to hear the colour blue — not because the thing is unreal, but because you are reaching for it with the wrong instrument.

The second reason cuts deeper, and it is about us, not Him. Even if God unveiled His glory, no sinner could survive the sight. When Moses — the man who spoke with God as a friend — asked to see Him, this was the answer:

Exodus 33:18, 20, 22–23 (NKJV)

And he said, “Please, show me Your glory.” … But He said, “You cannot see My face; for no man shall see Me, and live.” … “So it shall be, while My glory passes by, that I will put you in the cleft of the rock, and will cover you with My hand while I pass by. Then I will take away My hand, and you shall see My back; but My face shall not be seen.”

Even Moses was given only the afterglow — a refracted glimpse of where God had been. The barrier is not our eyesight. It is our sin set against His holiness. God is pure and we are not, and unholiness cannot stand in the presence of unveiled holiness any more than wax can stand in fire. The problem was never our eyes. It is our hearts.

Which raises the real question: if the invisible God cannot be safely seen, how is He to be known at all? Scripture's answer is the heart of the Christian faith. God has made Himself visible in the one place a sinner can bear to look — in His Son.

John 1:18 (NKJV)

No one has seen God at any time. The only begotten Son, who is in the bosom of the Father, He has declared Him.

This is why Jesus could rebuke Philip for asking to be shown the Father:

John 14:9 (NKJV)

Have I been with you so long, and yet you have not known Me, Philip? He who has seen Me has seen the Father; so how can you say, “Show us the Father”?

In Christ, the invisible God stepped into flesh and let Himself be looked upon — not in unbearable glory, but veiled in a human life that could be approached, touched, and followed. To see Jesus is to see God.

And the hiddenness is not forever. What is denied us now is held out to us as a promise. To the crowd on the mountainside, Jesus said:

Matthew 5:8 (NKJV)

Blessed are the pure in heart, for they shall see God.

1 John 3:2 (NKJV)

Beloved, now we are children of God; and it has not yet been revealed what we shall be, but we know that when He is revealed, we shall be like Him, for we shall see Him as He is.

Theologians call this the visio Dei — the vision of God — the unhindered sight of Him reserved for the redeemed when they are at last glorified and every trace of sin is purged away. It does not come the moment we close our eyes in death, and not a moment sooner; it is bound up with the day Christ is revealed and His people are made wholly like Him. On that day the cleft in the rock will no longer be needed, and the face Moses could not see will be seen.

Until then, we walk by faith and not by sight (2 Corinthians 5:7). But faith is not a poor substitute we are stuck with until the real thing arrives. It is the appointed way the unseen God is known in this age — and it is the only kind of trust that ends not in disappointment but in sight. The One we now believe without seeing is the very One we will one day see with our eyes.