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Nothing physical which sense-experience sets before our eyes, or which necessary demonstrations prove to us, ought to be called in question (much less condemned) upon the testimony of biblical passages...
Galileo Galilei
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Galileo Galilei
Age: 77 †
Born: 1564
Born: February 15
Died: 1642
Died: January 8
Astrologer
Astronomer
Engineer
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Mathematician
Philosopher
Physicist
Polymath
Scientist
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Galileo
G. Galilei
Experience
Prove
Demonstration
Sense
Ought
Condemned
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Testimony
Nothing
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Much
Eyes
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Upon
Sets
Eye
Physical
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Necessary
Demonstrations
More quotes by Galileo Galilei
I, Galileo, son of the late Vicenzo Galilei, swear that I never said that the prime numbers are useless. What I said was that you cannot count lunar craters by counting 2, 3, 5, 7.
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I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations.
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In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
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All truths are easy to understand once they are discovered the point is to discover them.
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You can't teach anybody anything, only make them realize the answers are already inside them.
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One can understand nature only when one has learned the language and the signs in which it speaks to us but this language is mathematics and these signs are methematical figures.
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The greatest wisdom is to get to know oneself.
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Philosophy itself cannot but benefit from our disputes, for if our conceptions prove true, new achievements will be made if false, their refutation will further confirm the original doctrines.
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You may force me to say what you wish you may revile me for saying what I do. But it moves.
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My dear Kepler, what would you say of the learned here, who, replete with the pertinacity of the asp, have steadfastly refused to cast a glance through the telescope? What shall we make of this? Shall we laugh, or shall we cry?
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Nature's great book is written in mathematics.
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I do not know what to say in a case so surprising, so unlooked for and so novel.
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But, because my private lectures and domestic pupils are a great hinderance and intteruption of my studies, I wish to live entirely exempt from the former, and in great measure from the latter. ... in short, I should wish to gain my bread from my writings.
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In time you may discover everything that can be discovered, and still your progress will only be progress away from humanity. The distance between you and them can one day become so great that your joyous cry over some new gain could be answered by an universal shriek of horror.
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Some, merely to contradict what I had said, did not scruple to cast doubt upon things they had seen with their own eyes again and again.
Galileo Galilei
The Universe is a grand book which cannot be read until one first learns to comprehend the language and become familiar with the characters in which it is composed. It is written in the language of mathematics.
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They who depend upon manifest observations will philosophize better than those who persist in opinions repugnant to the senses.
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To excite in us tastes, odors, and sounds I believe that nothing is required in external bodies except shapes, numbers, and slow or rapid movements. ... if ears, tongues, and noses were removed, shapes and numbers and motions would remain, but not odors or tastes or sounds.
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Knowing thyself, that is the greatest wisdom.
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Science proceeds more by what it has learned to ignore than what it takes into account.
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