Robert A. Heinlein

All human behavior, all human motivations, all man’s hopes and fears, were heavily colored and largely controlled by mankind’s tragic and oddly beautiful pattern of reproduction.

Robert A. Heinlein

All men are created unequal.

Robert A. Heinlein

All revelations are personal, that’s why all revelations are suspect.

Robert A. Heinlein

An honest politician is one that stays bought.

Robert A. Heinlein

Analogy is even slipperier than logic.

Robert A. Heinlein

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.

Robert A. Heinlein

Another ingredient in a happy marriage: Budget the luxuries first!

Robert A. Heinlein

Anyone can see a forest fire. Skill lies in sniffing the first smoke.

Robert A. Heinlein

Anyone who cannot cope with mathematics is not fully human. At best, he is a tolerable subhuman who has learned to wear his shoes, bathe, and not make messes in the house.

Robert A. Heinlein

Anyone who considers protocol unimportant has never dealt with a cat.

Robert A. Heinlein