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"We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface."
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"One must verify or expel his doubts, and convert them into the certainty of Yes or NO."
"I am certain there is too much certainty in the world."
"In these matters the only certainty is that nothing is certain."
"And, for an instant, she stared directly into those soft blue eyes and knew, with an instinctive mammalian certainty, that the exceedingly rich were no longer even remotely human."
"Many slaves on this continent are oppressed, and their cries have reached the ears of the Most High. Such are the purity and certainty of his judgments, that he cannot be partial in our favor."
"Only a very bad theologian would confuse the certainty that follows revelation with the truths that are revealed. They are entirely different things."
"The areas of consensus shift unbelievably fast; the bubbles of certainty are constantly exploding."
Explore more quotes by Nicolaus Copernicus
"So far as hypotheses are concerned, let no one expect anything certain from astronomy, which cannot furnish it, lest he accept as the truth ideas conceived for another purpose, and depart from this study a greater fool than when he entered it."
"Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth."
"I can easily conceive, most Holy Father, that as soon as some people learn that in this book which I have written concerning the revolutions of the heavenly bodies, I ascribe certain motions to the Earth, they will cry out at once that I and my theory should be rejected."
"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."
"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."
"The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens."
"I am aware that a philosopher's ideas are not subject to the judgment of ordinary persons, because it is his endeavour to seek the truth in all things, to the extent permitted to human reason by God."
"So, influenced by these advisors and this hope, I have at length allowed my friends to publish the work, as they had long besought me to do."
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