Galileo Galilei Quotes on Truth
Galileo Galilei was an Italian astronomer, physicist, and philosopher of science whose work helped to inaugurate the scientific revolution. This page collects quotes attributed to Galileo Galilei on the topic of truth, drawn from across the philosopher's works.
Quotes
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Attributed to Galileo Galilei:
“Philosophy is written in this grand book, the universe, which stands continually open to our gaze. But the book cannot be understood unless one first learns to comprehend the language and read the letters in which it is composed. It is written in the language of mathematics.”
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Attributed to Galileo Galilei:
“All truths are easy to understand once they are discovered; the point is to discover them.”
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“In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.”
sì perché l'autorità dell'opinione di mille nelle scienze non val per una scintilla di ragione di un solo, sì perché le presenti osservazioni spogliano d'autorità i decreti de' passati scrittori, i quali se vedute l'avessero, avrebbono diversamente determinato. -
Attributed to Galileo Galilei:
“And yet it moves.”
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“It seems to me that it was well said by Madama Serenissima, and insisted on by your reverence, that the Holy Scripture cannot err, and that the decrees therein contained are absolutely true and inviolable. But I should have in your place added that, though Scripture cannot err, its expounders and interpreters are liable to err in many ways ; and one error in particular would be most grave and most frequent, if we always stopped short at the literal signification of the words.”
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