Little prigs and three-quarter madmen may have the conceit that the laws of nature are constantly broken for their sakes.

Be generous in nature and thought; for this wins respect and gives confidence and power.

Men should learn to live with the same seriousness with which children play.

Not to him who is offensive to us are we most unfair, but to him who doth not concern us at all.

Supposing truth is a woman -- what then?

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?

The errors of great men are venerable because they are more fruitful than the truths of little men.