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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Attributed to Galileo Galilei:
“In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.”
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Attributed to Galileo Galilei:
“And yet it moves.”