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"To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge."
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"The pursuit of knowledge for its own sake, an almost fanatical love of justice and the desire for personal independence -- these are the features of the Jewish tradition which make me thank my stars that I belong to it."
"Experience teaches us that the world is not a nursery."
"In worthy teaching, all things are related."
"It is pleasant to be transferred from an office where one is afraid of a sergeant-major into an office where one can intimidate generals and perhaps this is why history is so attractive to the more timid among us."
"Have books 'happened' to you? Unless your answer to that question is 'yes,' I'm unsure how to talk to you."
"In the sort of screen dappled with different states of mind which my consciousness would simultaneously unfold while I read, and which ranged from the aspirations hidden deepest within me to the completely exterior vision of the horizon which I had, at the bottom of the garden, before my eyes, what was first in me, innermost, the constantly moving handle that controlled the rest, was my belief in the philosophical richness and beauty of the book I was reading, and my desire to appropriate them for myself, whatever that book might be."
Explore more quotes by Nicolaus Copernicus
"I shall now recall to mind that the motion of the heavenly bodies is circular, since the motion appropriate to a sphere is rotation in a circle."
"For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study."
"Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth."
"Not a few other very eminent and scholarly men made the same request, urging that I should no longer through fear refuse to give out my work for the common benefit of students of Mathematics."
"Although all the good arts serve to draw man's mind away from vices and lead it toward better things, this function can be more fully performed by this art, which also provides extraordinary intellectual pleasure."
"The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle."
"Yet if anyone believes that the earth rotates, surely he will hold that its motion is natural, not violent."
"Therefore, when I considered this carefully, the contempt which I had to fear because of the novelty and apparent absurdity of my view, nearly induced me to abandon utterly the work I had begun."
"Accordingly, since nothing prevents the earth from moving, I suggest that we should now consider also whether several motions suit it, so that it can be regarded as one of the planets. For, it is not the center of all the revolutions."
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