Imagine a chain hanging from the sky supporting a weight suspended in the air. Each link in the chain is a cause for the continued suspension of the links.
Imagine that you are an astronomer on a world with one moon. It is always night on your world, and the moon is the only body in the sky.
The greatest engine of atheism in modern times — Darwin’s theory — is nothing more than a bastardization of the strongest philosophical argument for God’s existence.