It is said that no man is a hero to his valet. That is because a hero can be recognized only by a hero.

If you want a wise answer, ask a reasonable question.

Habit is a man's sole comfort. We dislike doing without even unpleasant things to which we have become accustomed.

The assault of our enemies is not part of our life; it is only part of our experience; we throw it off and guard ourselves against it as against frost, storm, rain, hail, or any other of the external evils which may be expected to happen.

If the world does improve on the whole, yet youth must always begin anew, and go through the stages of culture from the beginning.

Man... knows only when he is satisfied and when he suffers, and only his sufferings and his satisfactions instruct him concerning himself, teach him what to seek and what to avoid. For the rest, man is a confused creature; he knows not whence he comes or whither he goes, he knows little of the world, and above all, he knows little of himself.

Everything that we encounter leaves traces behind. Everything contributes imperceptibly to our education