Quotes By Robert A. Heinlein

For me, politeness is a sine qua non of civilization.

The difference between science and the fuzzy subjects is that science requires reasoning while those other subjects merely require scholarship.

May you live as long as you wish and love as long as you live.

Writing is not necessarily something to be ashamed of, but do it in private and wash your hands afterwards.

Be wary of strong drink. It can make you shoot at tax collectors... and miss.

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.

When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere. The best thing about space travel is that it made it possible to go elsewhere.

Never underestimate the power of human stupidity.

The universe never did make sense; I suspect it was built on government contract.

Political tags - such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth - are never basic criteria. The human race divides politically into those who want people to be controlled and those who have no such desire.

Being right too soon is socially unacceptable.