Written Quotes by Galileo Galilei

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

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

“(T)he increase of known truths stimulates the investigation, establishment, and growth of the arts.”

— Galileo Galilei

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

Nature . . . is inexorable and immutable; she never transgresses the laws imposed upon her, nor cares a whit whether her abstruse reasons…

— Galileo Galilei

Holy Writ was intended to teach men how to go to Heaven not how the heavens go.

— Galileo Galilei

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

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

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

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

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

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

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

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

By denying scientific principles, one may maintain any paradox.

— Galileo Galilei