Of what is great one must either be silent or speak with greatness. With greatness--that means cynically and with innocence.

Do you believe then that the sciences would ever have arisen and become great if there had not before hand been magicians, alchemists, astrologers and wizards, who thirsted and hungered after abscondite and forbidden powers?

How lovely it is that there are words and sounds. Are not words and sounds rainbows and illusive bridges between things which are eternally apart?

There is not sufficient religion in the world merely to put an end to the number of religions.

Live dangerously. Build your cities on the slopes of Vesuvius.

What a dissimilarity we see in walking, swimming, and flying. And yet it is one and the same motion: it is just that the load- bearing capacity of the earth differs from that of the water, and that that of the water differs from that of the air! Thus we should also learn to fly as thinkers--and not imagine that we are thereby becoming idle dreamers!

Rash actions are seldom committed in isolation. With the first rash action we always do too much. So we usually go on to commit asecond one--and then we do too little.