“(T)he increase of known truths stimulates the investigation, establishment, and growth of the arts.” — Galileo Galilei Copy Share Image
Among the great men who have philosophized about [the action of the tides], the one who surprised me most is Kepler. He… — Galileo Galilei Copy Share Image
I cannot but be astonished that Sarsi should persist in trying to prove by means of witnesses something that I may see… — Galileo Galilei Copy Share Image
I would say here something that was heard from an ecclesiastic of the most eminent degree: The intention of the Holy Spirit… — Galileo Galilei Copy Share Image
But what exceeds all wonders, I have discovered four new planets and observed their proper and particular motions, different among themselves and… — Galileo Galilei Copy Share Image
And believe me, if I were again beginning my studies, I should follow the advice of Plato and start with the mathematical… — Galileo Galilei Copy Share Image
“Philosophy is written in that great book which ever lies before our eyes — I mean the universe — but we cannot… — Galileo Galilei Copy Share Image
It vexes me when they would constrain science by the authority of the Scriptures, and yet do not consider themselves bound to… — Galileo Galilei Copy Share Image
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. — Galileo Galilei Copy Share Image
Mathematics is the language with which God has written the universe. — Galileo Galilei Copy Share Image
“ Sì perché l'autorità dell'opinione di mille nelle scienze non val per una scintilla di ragione di un solo, sì perché le… — Galileo Galilei Copy Share Image
“All truths are easy to understand once they have been revealed. What is difficult is to discover them.” — Galileo Galilei Copy Share Image
Spots are on the surface of the solar body where they are produced and also dissolved, some in shorter and others in… — Galileo Galilei Copy Share Image
Science proceeds more by what it has learned to ignore than what it takes into account. — Galileo Galilei Copy Share Image
It reveals to me the causes of many natural phenomena that are entirely incomprehensible in the light of the generally accepted hypotheses.… — Galileo Galilei Copy Share Image
I would beg the wise and learned fathers (of the church) to consider with all diligence the difference which exists between matters… — Galileo Galilei Copy Share Image
In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an… — Galileo Galilei Copy Share Image
I therefore concluded, and decided unhesitatingly, that there are three stars in the heavens moving about Jupiter, as Venus and Mercury about… — Galileo Galilei Copy Share Image
We see only the simple motion of descent, since that other circular one common to the Earth, the tower, and ourselves remains… — Galileo Galilei Copy Share Image
Take note, theologians, that in your desire to make matters of faith out of propositions relating to the fixity of sun and… — Galileo Galilei Copy Share Image
“I esteem myself happy to have as great an ally as you in my search for truth. I will read your work… — Galileo Galilei Copy Share Image
The prohibition of science would be contrary to the Bible, which in hundreds of places teaches us how the greatness and the… — Galileo Galilei Copy Share Image
Surely, God could have caused birds to fly with their bones made of solid gold, with their veins full of quicksilver, with their flesh… — Galileo Galilei Copy Share Image
If experiments are performed thousands of times at all seasons and in every place without once producing the effects mentioned by your philosophers, poets,… — Galileo Galilei Copy Share Image
“(T)he increase of known truths stimulates the investigation, establishment, and growth of the arts.” — Galileo Galilei Copy Share Image
In the long run my observations have convinced me that some men, reasoning preposterously, first establish some conclusion in their minds which, either because… — Galileo Galilei Copy Share Image
Nature . . . is inexorable and immutable; she never transgresses the laws imposed upon her, nor cares a whit whether her abstruse reasons… — Galileo Galilei Copy Share Image
Holy Writ was intended to teach men how to go to Heaven not how the heavens go. — Galileo Galilei Copy Share Image
And who can doubt that it will lead to the worst disorders when minds created free by God are compelled to submit slavishly to… — Galileo Galilei Copy Share Image
Among the great men who have philosophized about [the action of the tides], the one who surprised me most is Kepler. He was a… — Galileo Galilei Copy Share Image
Infinities and indivisibles transcend our finite understanding, the former on account of their magnitude, the latter because of their smallness; Imagine what they are… — Galileo Galilei Copy Share Image
I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to… — Galileo Galilei Copy Share Image
What ever the course of our lives, we should recieve them as the highest gift from the hand of God, in which equally reposed… — Galileo Galilei Copy Share Image
I cannot but be astonished that Sarsi should persist in trying to prove by means of witnesses something that I may see for myself… — Galileo Galilei Copy Share Image
