Galileo Quotes

Doubt is the father of invention. - Galileo Galilei

Comparing oneself with Galileo or Einstein is certainly good for the ego, provided one refrains from going into too much detail. - John McCarthy

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

But of all other stupendous inventions, what sublimity of mind must have been his who conceived how to communicate his most secret thoughts to any other person, though very far distant, either in time or place? And with no greater difficulty than the various arrangement of two dozen little signs upon paper? Let this be the seal of all the admirable inventions of man. - Galileo Galilei

And yet Its still moves. - Galileo Galilei

And yet it moves. - 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 an outside will? When we are told to deny our senses and subject them to the whim of others? When people devoid of whatsoever competence are made judgesover experts and are granted authority to treat them as they please?These are the novelties which are apt to bring about the ruin ofcommonwealths and the subversion of the state. - 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 person of independent genius, [but he] became interested in the action of the moon on the water, and in other occult phenome. - Galileo Galilei

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

After Galileo was convicted (for heresy by the Spanish Inquisition) for his theory that the Earth revolved around the sun... he replied, `Still, the Earth is moving.' - Junichiro Koizumi