Error is acceptable as long as we are young; but one must not drag it along into old age.

Doubt can only be removed by action.

Ill-humor is nothing more than an inward feeling of our own want of merit, a dissatisfaction with ourselves which is always united with an envy that foolish vanity excites.

Character develops itself in the stream of life.

People are always talking about originality, but what do they mean? As soon as we are born, the world begins to work upon us, and this goes on to the end.

Let no one be ashamed to say yes today if yesterday he said no. Or to say no today if yesterday he said yes. For that is life. Never to have changed-what a pitiable thing of which to boast!

Boldness has power, magic and genius in it.