Galileo Galilei Quotes

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

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.

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

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.

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.

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

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

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.

By denying scientific principles, one may maintain any paradox.

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

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

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