Old men are dangerous; it does not matter to them what is going to happen to the world.

A man who doesn't trust himself can never really trust anyoneelse.

Wherethe tongue slips, it speaks the truth.

Philosophy may describe unreason, as it may describe force; it cannot hope to refute them.

Allmarried couples should learn the art of battle as they should learn the art ofmaking love. Good battle is objective and honest never vicious or cruel. Goodbattle is healthy and constructive, and brings to a marriage the principle ofequal partnership.

Supicion of one's own motives is especially necessary for the philanthropist and the executive.

Facts do not cease to exist because they are ignored.

A slyrabbit will have three openings to its den.

Power corrupts the few, while weakness corrputs the many.

Change meansmovement. Movement means friction. Only in the frictionless vacuum of anonexistent abstract world can movement or change occur without that abrasivefriction of conflict.

A man's ruin lies in his tongue.

The oldbelieve everything, the middle-aged suspect everything, the young knoweverything.