I have imagination, and nothing that is real is alien to me.

The little word is has its tragedies: it marries and identifies different things with the greatest innocence; and yet no two are ever identical, and if therein lies the charm of wedding them and calling them one, therein too lies the danger.

Spirit itself is not human; it may spring up in any life... it may exist in all animals, and who know in how many undreamt-of beings, or in the midst of what worlds?

Sanctity and genius are as rebellious as vice.

It is possible to be a master in false philosophy, easier, in fact, than to be a master in the truth, because a false philosophy can be made as simple and consistent as one pleases.

A fanatical imagination cannot regard God as just unless he is represented as infinitely cruel.

Whoever it was who searched the heavens with a telescope and found no God would not have found the human mind if he had searched the brain with a microscope.