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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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Exlpore more Certainty quotes
"The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers."
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"Inquiry is fatal to certainty."
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Personal Development
"It's already figured out."
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Personal Development
"No great deed is done by falterers who ask for certainty."
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Personal Development
"Nothing consoles and comforts like certainty does."
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Personal Development
"Jealousy lives upon doubts. It becomes madness or ceases entirely as soon as we pass from doubt to certainty."
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Personal Development
"We can say with certainty - or 90% probability - that the new industries that are about to be born will have nothing to do with information."
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"Only a very bad theologian would confuse the certainty that follows revelation with the truths that are revealed. They are entirely different things."
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"Certitude is not the test of certainty. We have been cocksure of many things that were not so."
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"One must verify or expel his doubts, and convert them into the certainty of Yes or NO."
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Explore more quotes by Nicolaus Copernicus
"Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth."
Earth
"For I am not so enamoured of my own opinions that I disregard what others may think of them."
May
"The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens."
Earth
"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."
Work
"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."
Men
"First of all, we must note that the universe is spherical."
First
"Therefore, having obtained the opportunity from these sources, I too began to consider the mobility of the earth."
Opportunity
"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."
Earth
"Finally we shall place the Sun himself at the center of the Universe."
Sun
"Those who know that the consensus of many centuries has sanctioned the conception that the earth remains at rest in the middle of the heavens as its center, would, I reflected, regard it as an insane pronouncement if I made the opposite assertion that the earth moves."
Earth
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