Work while you have the light. You are responsible for the talent that has been entrusted to you.

Nothing is more characteristic of a man than the manner in which he behaves toward fools.

True poetry is truer than science, because it is synthetic, and seizes at once what the combination of all the sciences is able, at most, to attain as a final result.

To marry unequally is to suffer equally.

Wisdom consists in rising superior both to madness and to common sense, and is lending oneself to the universal illusion without becoming its dupe.

Before giving advice we must have secured its acceptance, or, rather, have made it desired.

He who is silent is forgotten; he who does not advance falls back; he who stops is overwhelmed; out distanced, crushed; he who ceases t grow becomes smaller; he who leaves off, gives up; the condition of standing still is the beginning of the end.