In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre… — Galileo Galilei Copy Share Image
The earth, in fair and grateful exchange, pays back to the moon an illumination similar to that which it receives from her… — Galileo Galilei Copy Share Image
The doctrine that the earth is neither the center of the universe nor immovable, but moves even with a daily rotation, is… — Galileo Galilei Copy Share Image
E pur si muove. "Albeit It does move". (That's what Galileo purportedly muttered after torturers forced him to recant his theory that… — Galileo Galilei Copy Share Image
For my part I consider the earth very noble and admirable precisely because of the diverse alterations, changes, generations, etc. that occur… — Galileo Galilei Copy Share Image
If you could see the earth illuminated when you were in a place as dark as night, it would look to you… — Galileo Galilei Copy Share Image
The deeper I go in considering the vanities of popular reasoning, the lighter and more foolish I find them. What greater stupidity… — Galileo Galilei Copy Share Image
Alas! Your dear friend and servant Galileo has been for the last month hopelessly blind; so that this heaven, this earth, this… — Galileo Galilei Copy Share Image
When the moon is ninety degrees away from the sun it sees but half the earth illuminated (the western half). For the… — Galileo Galilei Copy Share Image
If there were as great a scarcity of soil as of jewels or precious metals, there would not be a prince who… — Galileo Galilei Copy Share Image
The surface of the Moon is not smooth, uniform, and precisely spherical as a great number of philosophers believe it to be,… — 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
In regard to the philosophers, if they be true philosophers, i.e., lovers of truth, they should not be irritated that the earth… — 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
I have been judged vehemently suspect of heresy, that is, of having held and believed that the sun in the centre of… — 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
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
“(T)he increase of known truths stimulates the investigation, establishment, and growth of the arts.” — Galileo Galilei Copy Share
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
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
Holy Writ was intended to teach men how to go to Heaven not how the heavens go. — Galileo Galilei Copy Share
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
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
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
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
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
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
I would say here something that was heard from an ecclesiastic of the most eminent degree: The intention of the Holy Spirit is to… — Galileo Galilei Copy Share
Some, merely to contradict what I had said, did not scruple to cast doubt upon things they had seen with their own eyes again… — Galileo Galilei Copy Share
