I refuse the oration of all churches. I ask a prayer of all souls. I believe in God.

The mind's eye can nowhere find anything more dazzling or more dark than in man; it can fix itself upon nothing which is more awful, more complex, more mysterious, or more infinite. There is one spectacle grander than the sea, that is the sky; there is one spectacle grander than the sky, that is the interior of the soul.

To put everything in balance is good, to put everything in harmony is better.

A bit of mould is a pleiad of flowers; a nebula is an ant-hill of stars.

Life is a theatre set in which there are but few practicable entrances.

Freedom in art, freedom in society, this is the double goal towards which all consistent and logical minds must strive.

He loved books; books are cold but safe friends.