Galileo Quotes
All truths are easy to understand once they are discovered; the point is to discover them.
The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.
I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forego their use.
To understand the Universe, you must understand the language in which it's written, the language of Mathematics.
In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.
To be humane, we must ever be ready to pronounce that wise, ingenious and modest statement 'I do not know'.
You can't teach anybody anything, only make them realize the answers are already inside them.
There are those who reason well, but they are greatly outnumbered by those who reason badly.
You may force me to say what you wish; you may revile me for saying what I do. But it moves.
You cannot teach a person something he does not already know, you can only bring what he does know to his awareness.
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
With regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them.
Holy Scripture could never lie or err...its decrees are of absolute and inviolable truth.
The Milky Way is nothing else but a mass of innumerable stars planted together in clusters.
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.
I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations.
It is a beautiful and delightful sight to behold the body of the Moon.
Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.
Science proceeds more by what it has learned to ignore than what it takes into account.
Scripture is a book about going to Heaven. It's not a book about how the heavens go.
The laws of Nature are written in the language of mathematics...the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word.
The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.
See now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us of the contrary.
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.
Being infinitely amazed, so do I give thanks to God, Who has been pleased to make me the first observer of marvelous things, unrevealed to bygone ages.
Nature . . . is inexorable and immutable; she never transgresses the laws imposed upon her, nor cares a whit whether her abstruse reasons and methods of operations are understandable to men.
But some, besides allegiance to their original error, possess I know not what fanciful interest in remaining hostile not so much toward the things in question as toward their discoverer.
It vexes me when they would constrain science by the authority of the Scriptures, and yet do not consider themselves bound to answer reason and experiment.