I have been in my bed for five weeks, oppressed with weakness and other infirmities from which my age, seventy four years, permits me not to hope release. Added to this (proh dolor! [O misery!]) the sight of my right eye — that eye whose labors (dare I say it) have had such glorious results — is for ever lost. That of the left, which was and is imperfect, is rendered null by continual weeping.

Galileo Galilei

Mots clés science age misery blind

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E pur si muove.

(Albeit It does move.)

[What Galileo purportedly muttered after torturers forced him to recant his theory that the earth orbits the sun.]

Galileo Galilei

Mots clés torture

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Names and attributes must be accommodated to the essence of things, and not the essence to the names, since things come first and names afterwards.

Galileo Galilei

Mots clés science things essence names attributes

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The sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do.

Galileo Galilei

Mots clés science life beauty universe

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Toda verdad es fácil de comprender una vez que ha sido descubierta, el problema es descubrirla

Galileo Galilei

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Measure what is measurable, and make measurable what is not so

Galileo Galilei

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To our natural and human reason, I say that these terms ‘large,’ ‘small,’ ‘immense,’ ‘minute,’ etc. are not absolute but relative; the same thing in comparison with various others may be called at one time ‘immense’ and at another ‘imperceptible.

Galileo Galilei

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In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.

Galileo Galilei

Mots clés science dissent reasoning independent-thought scientific-method truth-telling

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Dites-nous comment on va au ciel, et laissez-nous vous dire comment "va" le ciel.

Galileo Galilei

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Who indeed will set bounds to human ingenuity? Who will assert that everything in the universe capable of being perceived is already discovered and known?

Galileo Galilei

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