GGGalileo Galilei

29 collected words

Galileo Galilei

Dates not recorded

Name supplied in the contributor-provided quotation collection. Basic attribution label; identity, lifetime and quotation authenticity have not been independently verified.

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Quotations and sayings

01Undated

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

Galileo Galilei / quote

02Undated

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 / quote

03Undated

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.

Galileo Galilei / quote

04Undated

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

Galileo Galilei / quote

05Undated

By denying scientific principles, one may maintain any paradox.

Galileo Galilei / quote

06Undated

Where the senses fail us, reason must step in.

Galileo Galilei / quote

07Undated

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 / quote

08Undated

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

Galileo Galilei / quote

09Undated

Philosophy [nature] is written in that great book which ever is 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. The book is written in mathematical language, and the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word of it; without which one wanders in vain through a dark labyrinth.

Galileo Galilei / quote

10Undated

Measure what can be measured, and make measurable what cannot be measured.

Galileo Galilei / quote

11Undated

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 / quote

12Undated

I have been in my bed for five weeks, oppressed with weakness and other infirmities from which my age, seventy four years, permits me not to hope release. Added to this (proh dolor! [O misery!]) the sight of my right eye — that eye whose labors (dare I say it) have had such glorious results — is for ever lost. That of the left, which was and is imperfect, is rendered null by continual weeping.

Galileo Galilei / quote

13Undated

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

Galileo Galilei / quote

14Undated

It is a beautiful and delightful sight to behold the body of the Moon.

Galileo Galilei / quote

15Undated

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

Galileo Galilei / quote

16Undated

The sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do.

Galileo Galilei / quote

17Undated

If the Earth were not subject to any change I would consider the Earth a big but useless body in universe, paralyzed...superfluous and unnatural.Those who so exalt incorruptibility, unchangeability and the like, are, I think, reduced to saying such things both because of inordinate desire they have to live for a long time and because of the terror they have of death...they do not realize that if men were immortal, they would have never come into the world.

Galileo Galilei / quote

18Undated

Surely it is a great thing to increase the numerous host of fixed stars previously visible to the unaided vision, adding countless more which have never before been seen, exposing these plainly to the eye in numbers ten times exceeding the old and familiar stars.

Galileo Galilei / quote

19Undated

And, believe me, if I were again beginning my studies, I should follow the advice of Plato and start with mathematics.

Galileo Galilei / quote

20Undated

I notice that young men go to the universities in order to become doctors or philosophers or anything, so long as it is a title, and that many go in for those professions who are utterly unfit for them, while others who would be very competent are prevented by business or their daily cares, which keep them away from letters.

Galileo Galilei / quote

21Undated

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

Galileo Galilei / quote

22Undated

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 / quote

23Undated

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 / quote

24Undated

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 / quote