One is never so dangerous when one has no shame, than when one has grown too old to blush.

The ultimate triumph of philosophy would be to cast light upon the mysterious ways in which Providence moves to achieve the designs it has for man.

The horror of wedlock, the most appalling, the most loathsome of all the bonds humankind has devised for its own discomfort and degradation.

My manner of thinking, so you say, cannot be approved. Do you suppose I care? A poor fool indeed is he who adopts a manner of thinking for others!

In an age that is utterly corrupt, the best policy is to do as others do.

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.

There is no God, Nature sufficeth unto herself; in no wise hath she need of an author.