The Lecture

"Ghosts" was first delivered in 1877. In it, Ingersoll traces the psychological origins of religious belief — arguing that the gods were born from fear, ignorance, and the ancient human terror of death — and he examines how these ancient fears still animate modern religious institutions.


The World of Fear

Imagine the condition of the primitive man. He lives in a world he does not understand. The thunder roars; he does not know why. The lightning strikes a tree; he does not know why. The sun sets and does not return for what seems an eternity of darkness. He does not know when morning will come, or whether it will come at all.

He has no science. He has no history. He has no accumulated wisdom of prior generations to help him understand the forces around him.

He does what any frightened creature does: he projects life, will, and purpose onto the things that frighten him. The thunder is not a physical phenomenon — it is the voice of something. The lightning is not electrical discharge — it is the weapon of something. The darkness is not the rotation of the earth — it is the hunger of something.

This is the origin of the gods.

The Ghost Theory

At the center of all religion is the ghost. The first supernatural belief was that the dead do not entirely die — that something survives the body, something that can influence the living, something that must be propitiated and feared.

This belief is universal. It is found in every culture that anthropology has examined. It is not surprising that it is universal: every human being faces death, and every human being is afraid. The idea that death is not final is the most consoling idea in the history of the human race.

But consoling and true are not the same thing.

The God of the Gaps

As human knowledge increased — as we learned why the thunder roars, why the sun rises, why diseases spread — the gods retreated. The areas of ignorance that had been filled with supernatural beings were gradually illuminated by science, and the gods had to move to new, darker, more inaccessible corners of the unknown.

This is what theologians call the "God of the Gaps." God is wherever science has not yet arrived. As science advances, God retreats. This is not an argument for atheism, but it is an argument for humility: we should be cautious about placing our most fundamental convictions in the spaces that are simply not yet illuminated.

"Every advance of science is a new insult to the gods of the ignorant."

On Death and Immortality

I do not know whether the dead persist in any form. I do not know whether consciousness survives the body. I am not certain that it does not.

What I do know is that the fear of death has been used, throughout history, as a tool for the control of the living.

The threat of hell — of eternal, conscious torment — is the most terrifying weapon that has ever been wielded against the human mind. No secular government has ever invented a punishment so extreme as the one that theology has casually deployed for centuries against honest doubt.

I do not believe in hell. Not because it is comforting not to believe in it, but because there is no good evidence that it exists, and because the concept is morally monstrous. An infinite punishment for a finite life — even a very bad finite life — is not justice. It is torture.

If there is a God, I hope He is not the God of eternal punishment. If He is, then I want nothing to do with Him. And if my saying so condemns me, I accept the condemnation.

Science and the Supernatural

Every ghost has eventually been explained. Every miracle has eventually been examined and found to be either a misreport or a natural event imperfectly understood. The history of the supernatural is the history of explanations that have been superseded.

This does not prove that everything is natural. It does prove that our instinct to reach for supernatural explanations is often — perhaps usually — wrong. It proves that we are better served by patient, humble inquiry than by rapid, confident supernatural explanation.

The ghost-hunting of the past has been replaced by the laboratory. The séance has been replaced by the scientific study of consciousness. The results so far suggest that consciousness is a product of brain activity — that when the brain dies, consciousness ends.

I do not know this for certain. Neither does anyone else. But the evidence points this way.

The Comfort of Reason

Some will say: "But you take away our comfort. Without the hope of immortality, without the promise of reunion with the dead, without the protection of a loving God, what is left?"

This is a real question, and it deserves a real answer.

What is left is this world, and the people in it, and the time we have, and the love we can give, and the good we can do.

It is not nothing. It is everything.

The time we have is real. The love is real. The good is real. The beauty is real. The sunlight and the music and the faces of people we love are real.

A religion that teaches us to despise this life in favor of the next has stolen the only thing we know we have.

I believe in this life. This is the life I have. And I intend to live it.


The complete text of "Ghosts" is available through Project Gutenberg.