People who go broke in a big way never miss any meals. It is the poor jerk who is shy a half slug who must tighten his belt.

Don't ever become a pessimist... a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.

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.

It may take endless wars and unbearable population pressure to force-feed a technology to the point where it can cope with space. In the universe, space travel may be the normal birth pangs of an otherwise dying race. A test. Some races pass, some fail.

Ninety percent of all human wisdom is the ability to mind your own business.

The capacity of the human mind for swallowing nonsense and spewing it forth in violent and repressive action has never yet been plumbed.

The most important lesson in the writing trade is that any manuscript is improved if you cut away the fat.