Let that which stood in front go behind, let that which was behind advance to the front, let bigots, fools, unclean persons, offer new propositions, let the old propositions be postponed.

Fools and wise-folk are alike harmless. It is the half-wise, and the half-foolish, who are the most dangerous.

Wise men speak when they have something to say, fools speak because they have to say something.