“Atheism and agnosticism signify the rejection of certain images and concepts of God or of truth, which are historically conditioned and therefore inadequate. Atheism is a challenge to religion to purifiy its images and concepts and come nearer to the truth of divine mystery.”

“The philosophy of Atheism represents a concept of life without any metaphysical Beyond or Divine Regulator. It is the concept of an actual, real world with its liberating, expanding and beautifying possibilities, as against an unreal world, which, with its spirits, oracles, and mean contentment has kept humanity in helpless degradation.”

“If therefore my work is negative, irreligious, atheistic, let it be remembered that atheism — at least in the sense of this work — is the secret of religion itself; that religion itself, not indeed on the surface, but fundamentally, not in intention or according to its own supposition, but in its heart, in its essence, believes in nothing else than the truth and divinity of human nature.”

“Atheism is the opium of the mathematicians. Atheism is the religion of Mathematics.”

“Idiots must stop claiming that atheism is a religion. Religion is defined as the belief in and worship of a superhuman controlling power. And atheism is… precisely not that. Atheism is a religion like abstinence is a sex position”

“My atheism, like that of Spinoza, is true piety towards the universe and denies only gods fashioned by men in their own image, to be servants of their human interests.”