The miller imagines that the corn grows only to make his mill turn.
Talk well of the absent whenever you have the opportunity.
Everything in science depends on what one calls an aperรงu, on becoming aware of what is at the bottom of the phenomena. Such becoming aware is infinitely fertile.
There is nothing worse than aggressive stupidity.
Self-knowledge comes from knowing other men.
Literature is a fragment of a fragment. Of all that ever happened, or has been said, but a fraction has been written; and of this but little is extant.