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A reaction drive's efficiency as a weapon is in direct proportion to its efficiency as a drive.

— Larry Niven Tales of Known Space (1975)

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More quotes by Larry Niven

The moral of this story is, anything you don’t understand is dangerous until you do understand it.

Neutron Star (1968)

Tell them the universe is too complicated a toy for a sensibly cautious being to play with.

Ringworld (1970)

The Gods do not protect fools. Fools are protected by more capable fools.

Ringworld (1970)

The Unexpected always comes at the most awkward times.

Scatterbrain (2003)

Everything starts as somebody's daydream.

All Larry Niven quotes →

Attribution

Quote text and notes from Wikiquote: Larry Niven (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.