Galileo Galilei citáty

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„Všetky pravdy sa dajú ľahko pochopiť, keď ich objavíte; ide o to, aby ste ich objavili.“

„Necítim sa povinný veriť, že ten istý Boh, ktorý nás obdaril zmyslami, rozumom a intelektom, chcel, aby sme sa vzdali ich používania.“

„Človeka nemôžete naučiť nič; môžete mu len pomôcť nájsť to v sebe.“

„Matematika je abeceda, pomocou ktorej Boh popísal vesmír.“

„Dve pravdy si nikdy nemôžu protirečiť.“

„Urážky sa zapisujú do mramoru, dobrodenia sa rýchlo zabúdajú.“

„Dobré vyučovanie je z jednej štvrtiny príprava a z troch štvrtín divadlo.“

„Príroda je neúprosná a nemeniteľná. Je jej jedno, či sú, alebo nie sú zrozumiteľné príčiny a úmysly jej konania.“

„Všetci hovoria o príslovečnej múdrosti starcov, v skutočnosti však nič také neexistuje. Keď totiž človek starne, nestáva sa múdrejším, ale len opatrnejším.“

„Za každým problémom je príležitosť.“

„Dospelého človeka nemožno poučovať o životných otázkach, možno ho len naučiť, aby našiel riešenie v sebe samom.“

„Zvedavosť stojí vždy na prvom mieste problému, ktorý treba vyriešiť.“

„Až smrťou dogmy sa začína veda.“

“To this end they make a shield of their hypocritical zeal for religion. They go about invoking the Bible, which they would have minister to their deceitful purposes. Contrary to the sense of the Bible and the intention of the holy Fathers, if I am not mistaken, they would extend such authorities until even in purely physical matters — where faith is not involved — they would have us altogether abandon reason and the evidence of our senses in favor of some biblical passage, though under the surface meaning of its words this passage may contain a different sense.”

“If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.”

“Of such are the mathematical sciences alone; that is, geometry and arithmetic, in which the Divine intellect indeed knows infinitely more propositions, since it knows all. But with regard to those few which the human intellect does understand, I believe its knowledge equals the Divine in objective certainty, for here it succeeds in understanding necessity, beyond which there can be no greater sureness.”

“Alas! Your dear friend and servant Galileo has been for the last month hopelessly blind; so that this heaven, this earth, this universe, which I by my marvelous discoveries and clear demonstrations had enlarged a hundred thousand times beyond the belief of the wise men of bygone ages, henceforward for me is shrunk into such a small space as is filled by my own bodily sensations.”

“Surely, God could have caused birds to fly with their bones made of solid gold, with their veins full of quicksilver, with their flesh heavier than lead, and with their wings exceedingly small. He did not, and that ought to show something. It is only in order to shield your ignorance that you put the Lord at every turn to the refuge of a miracle.”

“What has philosophy got to do with measuring anything? It's the mathematicians you have to trust, and they measure the skies like we measure a field.”

“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.”

“Salvio. A book which, indeed, is not to be placed second to any produced by the most eminent geometers either of the present or of the past; a book which, as soon as it fell into the hands of our Academician, led him to abandon his own researches along these lines; for he saw how happily everything had been treated and demonstrated by Valerio.”

“I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forgo their use and by some other means to give us knowledge which we can attain by them.”