Robert Anson Heinlein, (1907 - 1988) Quotes

It's amazing how much mature wisdom resembles being too tired.

Most people can't think, most of the remainder won't think, the small fraction who do think mostly can't do it very well. The extremely tiny fraction who think regularly, accurately, creatively, and without self-delusion- in the long run, these are the only people who count.

If you happen to be one of the fretful minority who can do creative work, never force an idea; you'll abort it if you do. Be patient and you'll give birth to it when the time is ripe. Learn to wait.

...brainpower is the scarcest commodity and the only one of real value.

The three-legged stool of understanding is held up by history, languages, and mathematics. Equipped with these three you can learn anything you want to learn. But if you lack any one of them you are just another ignorant peasant with dung on your boots.

Being intelligent is not a felony. But most societies evaluate it as at least a misdemeanor.

Obscurity is the refuge of incompetence.

The hardest part of gaining any new idea is sweeping out the false idea occupying that niche.

Sex should be friendly. Otherwise stick to mechanical toys; it's more sanitary.

Avoid making irrevocable decisions when tired or hungry.