Silenceis as full of potential wisdom and wit as the unshown marble of greatsculpture. The silent bear no witness against themselves.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

No nation is so poor that it cannot afford to gie free speech

No pillow is as soft as clear conscience.

Never trust the advice of a man in difficulties.

Truepeace is not merely the absence of tension: it is the presence of justice.

Trust exists; only lies are invented.

Man must not check reason by tradition, but must check tradition by reason.

Conduct is wise or foolish only in reference to its results.

Humor is the affectionate communication of insight.

Originality is the art of Concealing your Source.

Talkingcomes by nature, silence by wisdom.