Whoever in discussion adduces authority uses not intellect but memory.
Leonardo da Vinci (1452 - 1519)
Source: The Notebooks, 1508-1918
Contributed by: Zaady
Art is never finished, only abandoned.
He turns not back who is bound to a star.
Nothing will be left, Nothing in the air, nothing under the earth, nothing in the waters. All will be exterminated.
Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.
Source: The Notebooks, 1508–1518
Experience does not err; only your judgment errs by expecting from her what is not in her power.
Savage is he who saves himself.
Every man at three years old is half his height.
Human subtlety . . . will never devise an invention more beautiful, more simple or more direct than does nature, because in her inventions nothing is lacking, and nothing is superfluous.
Not to anticipate is already to moan.
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