Almost everything about a human creature is ridiculous, except its ability to suffer bravely and die gallantly for whatever it loves and believes in. The validity of that belief, the appropriateness of that love, is irrelevant; it is the bravery and the gallantry that count.

A society that gets rid of all its troublemakers goes downhill.

A human being has no natural rights of any nature.

Animals can be driven crazy by placing too many in too small a pen. Homo sapiens is the only animal that voluntarily does this to himself.

Tilting at windmills hurts you more than the windmills.

It is a truism that almost any sect, cult, or religion will legislate its creeds into law if it acquires the political power to do so, and will follow it by suppressing opposition, subverting all education to seize early the minds of the young, and by killing, locking up, or driving underground all heretics.

Abstract knowledge is always useful, sooner or later.