I curse all negative purism that tells me not to use a word from another language that either expresses something that my own language cannot or does that in a more delicate manner.

To have a positive religion is not necessary. To be in harmony with yourself and the universe is what counts, and this is possible without positive and specific formulation in words.

Humor is one of the elements of genius--admirable as an adjunct; but as soon as it becomes dominant, only a surrogate for genius.

The man with insight enough to admit his limitations comes nearest to perfection.

Destiny grants us our wishes, but in its own way, in order to give us something beyond our wishes.

Doubt can only be removed by action.

Nothing is more consonant with Nature than that she puts into operation in the smallest detail that which she intends as a whole.