Freedom of opinion is like health; both are individual, and no good general conception can be set up of either of them.

Without forgetting it is quite impossible to live at all.

It is not when it is dangerous to tell the truth that its advocates are hardest to find, but when it is boring.

It is very noble hypocrisy not to talk of one's self.

History belongs above all to the man...who needs models, teachers, comforters and cannot find them among his contemporaries.

When good friends praise a gifted person he often appears to be delighted with them out of politeness and goodwill, but in reality he feels indifferent.

"God", "the immortality of the soul", "salvation", "the beyond"-even as a child I had no time for such notions, I do not waste any time upon them-maybe I was never childish enough for that?