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70+ Famous Galileo Gallilei Quotes About Stars, Math, God & Science

Here’s a selection of Galileo Quotes, covering topics such as life, the sun, space and religious.

We really hope you enjoy these quotes and that they give you something to think about.

A man who doesn’t know the truth is just an idiot, but a man who knows the truth and calls it a lie is a crook.
Bertolt Brecht

I have never met a man so ignorant that I couldn’t learn something from him.
Galileo Galilei

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.
Galileo Galilei

Who would set a limit to the mind of man? Who would dare assert that we know all there is to be known?
Galileo Galilei

To be humane, we must ever be ready to pronounce that wise, ingenious and modest statement ‘I do not know’.
Galileo Galilei

You cannot teach a man anything, you can only help him find it within himself.
Galileo

He who looks the higher is the more highly distinguished, and turning over the great book of nature (which is the proper object of philosophy) is the way to elevate one’s gaze.
Galileo Galilei

I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations.
Galileo Galilei

The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.
Bertolt Brecht

The laws of nature are written by the hand of God in the language of mathematics.
Galileo Galilei

Copernicus, galileo, and kepler did not solve an old problem, they asked a new question, and in doing so they changed the whole basis on which the old questions had been framed.
Ken Robinson

All the world says: yes we know what’s written in the books but now let’s see what our eyes tell us.
Bertolt Brecht

La verità riesce ad imporsi solo nella misura in cui noi la imponiamo; la vittoria della ragione non può essere che la vittoria di coloro che ragionano.
Bertolt Brecht

Chi sa perché il dubbio appare agli uomini come una felicità.
Bertolt Brecht

Knowing thyself, that is the greatest wisdom.
Galileo Galilei

Telling me there’s no difference between the moon and the earth?.
Bertolt Brecht

Passion is the genesis of genius.
Galileo Galilei

Measure what is measurable, and make measurable what is not so.
Galileo Galilei

They seemed to forget that the increase of known truths stimulates the investigation, establishment and growth of the arts; not their dimination or destruction.
Galileo Galilei

If the world is turning, even the church can’t stop it; if it isn’t turning, nobody can go out and make it turn.
Mehmet Murat ildan

Galileo was challenged because he declared a theory to be a fact and argued with the church about the genuine meaning of the bible.
Michael Coren

By denying scientific principles, one may maintain any paradox.
Galileo Galilei

Sventurata la terra che non ha eroi. ”
“ no. Sventurata la terra che ha bisogno di eroi.
Bertolt Brecht

I’m teaching all the time. When am I to learn?.
Bertolt Brecht

What galileo and newton were to the seventeenth century, darwin was to the nineteenth.
Bertrand Russell

The book of nature is written in the language of mathematics.
Galileo Galilei

The deeper I go in considering the vanities of popular reasoning, the lighter and more foolish I find them. What greater stupidity can be imagined than that of calling jewels, silver, and gold “precious,” and earth and soil “base”?
Galileo Galilei

The greatest wisdom is to get to know oneself.
Galileo Galilei

…unmystical, hard-headed, argumentative, and possessed of a powerful personality that did not take easily to being contradicted. [galileo].
Allan Chapman

In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre of the circle of heavenly bodies, without changing its place; and the Earth, turning upon itself, moves round the Sun.
Galileo Galilei

I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things.
Galileo Galilei

Una delle principali cause della miseria delle scienze sta, molto spesso, nella loro presunzione di essere ricche. Scopo della scienza non è tanto quello di aprire una porta all’infinito sapere, quanto quello di porre una barriera all’infinita ignoranza.
Bertolt Brecht

Where the senses fail us, reason must step in.
Galileo Galilei

We cannot teach people anything; we can only help them discover it within themselves.
Galileo Galilei

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.
Galileo Galilei

Proof seduces them. One of the greatest pleasures of the human race is thinking.
Bertolt Brecht

The prohibition of science would be contrary to the Bible, which in hundreds of places teaches us how the greatness and the glory of God shine forth marvelously in all His works, and is to be read above all in the open book of the heavens.
Galileo Galilei

Galileo, yet men turn around women!.
Ljupka Cvetanova

It is surely harmful to souls to make it a heresy to believe what is proved.
Galileo Galilei

Names and attributes must be accommodated to the essence of things, and not the essence to the names, since things come first and names afterwards.
Galileo Galilei

The Milky Way is nothing else but a mass of innumerable stars planted together in clusters.
Galileo Galilei

It is a beautiful and delightful sight to behold the body of the moon.
Galileo Galilei

Pensare è uno dei massimi piaceri concessi al genere umano.
Bertolt Brecht

The egyptians saw the sun and called him ra, the sun god. He rode across the sky in his chariot until it was time to sleep. Copernicus and galileo proved otherwise and poor ra lost his divinity.
Ashwin Sanghi

The Bible shows the way to go to heaven, not the way the heavens go.
Galileo Galilei

إنه ليل رهيب للإنسان، ذلك الليل الذي تتكشف فيه الحقيقة. انها ساعة من العمى تلك التي يؤمن فيها الإنسان بعقل البشر.
Bertolt Brecht

Philosophy is written in this grand book, the universe, which stands continually open to our gaze. But the book cannot be understood unless one first learns to comprehend the language and read the letters in which it is composed.
Galileo Galilei

Stupidity isn’t invincible.
Bertolt Brecht

Mathematics is the language with which God has written the universe.
Galileo Galilei

The nature of the human mind is such that unless it is stimulated by images of things acting upon it from without, all remembrance of them passes easily away.
Galileo Galilei

Istoria ştiinţei este ca o ştafetă. Copernic a preluat steagul de la aristarh, de la cicero, de la plutarh; şi galileo a preluar steagul de la copernicus.
Mehmet Murat ildan

La science ne connaît qu’une loi : la contribution scientifique. (scène 14, andrea, la vie de galilée, ).
Bertolt Brecht

Sventurata la terra che ha bisogno di eroi.
Bertolt Brecht

In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.
Galileo Galilei

Thinking is one of the greatest pleasures of the human race.
Bertolt Brecht

All truths are easy to understand once they are discovered; the point is to discover them.
Galileo Galilei

Scopo della scienza non è tanto quello di aprire una porta all’infinito sapere, quanto quello di porre una barriera all’infinita ignoranza.
Bertolt Brecht

Nonetheless, it moves.
Galileo Galilei

Measure what can be measured, and make measureable what cannot be measured.
Galileo Galilei

Two truths cannot contradict one another.
Galileo Galilei

You can’t teach anybody anything, only make them realize the answers are already inside them.
Galileo Galilei

We owe a huge debt to galileo for emancipating us all from the stupid belief in an earth-centered or man-centered (let alone god-centered) system. He quite literally taught us our place and allowed us to go on to make extraordinary advances in knowledge.
Christopher Hitchens

Unhappy the land that is in need of heroes.
Bertolt Brecht

There are those who reason well, but they are greatly outnumbered by those who reason badly.
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 forego their use.
Galileo Galilei

Philosophy is written in that great book which ever lies before our eyes — I mean the universe — but we cannot understand it if we do not first learn the language and grasp the symbols, in which it is written.
Galileo Galilei

Such a lot is won when even a single man gets to his feet and says no.
Bertolt Brecht

E pur si muove.

(albeit it does move.)

[what galileo purportedly muttered after torturers forced him to recant his theory that the earth orbits the sun.].

Galileo Galilei

Wer die wahrheit nicht weiß, der ist bloß ein dummkopf. Aber wer sie weiß und sie eine lüge nennt, der ist ein verbrecher.
Bertolt Brecht

In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
Galileo Galilei

Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty.
Galileo Galilei

We must say that there are as many squares as there are numbers.
Galileo Galilei

Chi non conosce la verità è soltanto uno sciocco; ma chi, conoscendola, la chiama bugia, è un malfattore!.
Bertolt Brecht

If I were again beginning my studies, I would follow the advice of Plato and start with mathematics.
Galileo Galilei

To understand the Universe, you must understand the language in which it’s written, the language of Mathematics.
Galileo Galilei

God is known by nature in his works, and by doctrine in his revealed word.
Galileo Galilei

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.
Galileo Galilei

We’re better than galileo. Because he’s dead.
Jenny Lawson

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.
Galileo Galilei

إذا أخذت في اعتبارك العقبات، فإن أقصر خط بين نقطتين هو الطريق المتعرج.
Bertolt Brecht

La verità è figlia del tempo e non dell’autorità.
Bertolt Brecht

My dear kepler, what would you say of the learned here, who, replete with the pertinacity of the asp, have steadfastly refused to cast a glance through the telescope? what shall we make of this? shall we laugh, or shall we cry?.
Galileo Galilei

تعيس هو البلد الذي يحتاج إلى أبطال.
Bertolt Brecht

Wine is sunlight, held together by water.
Galileo Galilei

With regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them.
Galileo Galilei

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