491 quotes
Under the Communist system it is never possible to get the facts. The truth is dead—murdered—and the official version, the pravda, is that which advances the world Communist revolution.
Requiem: New Collected Works by Robert A. Heinlein and Tributes to the Grand Master (1992)
That’s all there is, really, to the scientific method: to be able to distinguish fact from non-facts.
Requiem: New Collected Works by Robert A. Heinlein and Tributes to the Grand Master (1992)
Remember, though, your best weapon is between your ears and under your scalp—provided it’s loaded.
Tunnel in the Sky (1955)
The less respect an older person deserves the more certain he is to demand it from anyone younger.
Have Space Suit—Will Travel (1958)
The Bible is such a gargantuan collection of conflicting values that anyone can prove anything from it.
The Number of the Beast (1980)
An invention is something that was “impossible” up to then—that’s why governments grant patents.
The Door Into Summer (1957)
Daddy says that, in a dilemma, it is helpful to change any variable, then reexamine the problem.
Have Space Suit—Will Travel (1958)
Convinced of their destiny to rule, they convinced themselves that the end justified the means.
Off the Main Sequence (2005)
One can’t expect logic from males; they think with their testicles and act from their emotions.
The Number of the Beast (1980)
You have to believe evidence when you have it in front of you, or else the universe is just too fantastic.
Time for the Stars (1956)
I think girls should be raised in the bottom of a deep, dark sack until they are old enough to know better.
Farmer in the Sky (1950)
If a grasshopper tries to fight a lawnmower, one may admire his courage but not his judgment.
Farnham's Freehold (1964)
Everybody has a skeleton in the closet; the thing is to keep ’em there and not at the feast.
Starman Jones (1953)
I think the major problem in growing up is to become sophisticated without becoming cynical.
I Will Fear No Evil (1970)
I am forced to conclude that being right has little to do with holding a woman’s affections.
The Number of the Beast (1980)
Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.
Beyond This Horizon (1948)
Wong shook his head sadly. “I sometimes think that modern education is deliberately designed to handicap a boy.”
Space Cadet (1948)
Parents probably don’t know that they are playing favorites even when they are doing it.
Time for the Stars (1956)
Cats have no sense of humor, they have terribly inflated egos, and they are very touchy.
The Door Into Summer (1957)
From my point of view, a great deal of openly expressed piety is insufferable conceit.
The Past Through Tomorrow (1967)