There will always be rocks in the road ahead of us. They will be stumbling blocks or stepping stones; it all depends on how you use them.

The strongest knowledge (that of the total freedom of the human will) is nonetheless the poorest in successes: for it always has the strongest opponent, human vanity.

We ought to face our destiny with courage.

He who has attained intellectual emancipation to any extent cannot, for a long time, regard himself otherwise than as a wanderer on the face of the earth and not even as a traveller towards a final goal, for there is no such thing.

We criticize a man or a book most sharply when we sketch out their ideal.

If you buy the why, the how is infinitely bearable

A great value of antiquity lies in the fact that its writings are the only ones that modern men still read with exactness.