"We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface."

Certainty, Earth

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"We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface."

Exlpore more Certainty quotes

"Jealousy lives upon doubts. It becomes madness or ceases entirely as soon as we pass from doubt to certainty."

Francois de La Rochefoucauld, French Writer

Certainty, Doubt, Jealousy, Madness

"A woman's guess is much more accurate than a man's certainty."

Rudyard Kipling, English Writer

Certainty, Man, Woman

"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."

John Woolman, American Clergyman

Certainty, Purity

"Nothing consoles and comforts like certainty does."

Amit Kalantri, Indian Author

Certainty, Comfort, Truth, Peace

"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."

Peter Drucker, American Businessman

Certainty, Information, Nothing, Will

"Could we have prevented in 100% certainty? I don't think anything is that certain. However, we would have had a very, very good chance for preventing it."

Sibel Edmonds, American Public Servant

Certainty, Chance

"In these matters the only certainty is that nothing is certain."

Pliny the Elder, Roman Author

Certainty, Nothing

"To believe with certainty we must begin with doubting."

Stanislaus I, Polish Royalty

Certainty,

"The Resistance is a moral certainty, not a poetic one. The true poet never uses words in order to punish someone. His judgment belongs to a creative order; it is not formulated as a prophetic scripture."

Salvatore Quasimodo, Italian Author

Certainty, Judgment, Order, Scripture

"A bird in hand is a certainty. But a bird in the bush may sing."

Bret Harte, American Author

Certainty, May

Explore more quotes by Nicolaus Copernicus

"More stars in the north are seen not to set, while in the south certain stars are no longer seen to rise."

Stars

"Of all things visible, the highest is the heaven of the fixed stars."

Heaven

"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."

Father

"The earth also is spherical, since it presses upon its center from every direction."

Direction

"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

"Therefore, having obtained the opportunity from these sources, I too began to consider the mobility of the earth."

Opportunity

"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."

Work

"Mathematics is written for mathematicians."

Mathematicians

"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."

Knowledge