Anything beyond the limits and grasp of the human mind is either illusion or futility; and because your god having to be one or the other of the two, in the first instance I should be mad to believe in him, and in the second a fool.

Happiness is an abstraction, it is a product of the imagination, it is a way of being moved, which depends entirely on our way of seeing and feeling.

Destruction, hence, like creation, is one of Nature's mandates.

Let not your zeal to share your principles entice you beyond your borders.

Sex should be a perfect balance of pain and pleasure. Without that symmetry, sex becomes a routine rather than an indulgence.

We are no guiltier in following the primative impulses that govern us than is the Nile for her floods or the sea for her waves.

For mortal men there is but one hell, and that is the folly and wickedness and spite of his fellows; but once his life is over, there's an end to it: his annihilation is final and entire, of him nothing survives.