It is a great pleasure to transport one's-self into the spirit of the times; to see how a wise man has thought before us, and to what a glorious height we have at last carried it.

A flippant, frivolous man may ridicule others, may controvert them, scorn them; but he who has any respect for himself seems to have renounced the right of thinking meanly of others.

Originality provokes originality.

The new vulcanism is really a daring attempt to connect the present, incomprehensible world to a past, unknown one.

Ye great teachers: listen to what you say!

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.

No wise combatant underestimates their antagonist.