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Karl Popper

"Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve."

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"Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve."

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Donna Grant

"The whole theory of the universe is directed unerringly to one single individual."

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Personal Development

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Donna Grant

"The problem is that replacement of Quantum Mechanics by Quantum Field Theory is still very demanding."

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Donna Grant

"Never worry about theory as long as the machinery does what it's supposed to do."

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Donna Grant

"If the Confederacy fails, there should be written on its tombstone: Died of a Theory."

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Donna Grant

"I'm not sure what theory is, unless it's the pursuit of fundamental questions."

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Donna Grant

"Although I know a lot of the previous shuttle flights, in theory, had their tasks laid out; but there were still some changes that came along for them."

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Donna Grant

"I don't like writing essays or theory."

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Donna Grant

"Every great batter works on the theory that the pitcher is more afraid of him than he is of the pitcher."

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Donna Grant

"The theory of founder effects does not explain how novel features like plumage traits arise."

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Donna Grant

"A unified theory would put us at the doorstep of a vast universe of things that we could finally explore with precision."

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Karl Popper
"There is no history of mankind, there are only many histories of all kinds of aspects of human life. And one of these is the history of political power. This is elevated into the history of the world."

History

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Karl Popper
"Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology."

Technology

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Karl Popper
"No rational argument will have a rational effect on a man who does not want to adopt a rational attitude."

Attitude

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Karl Popper
"In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality."

Reality

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Karl Popper
"We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure."

Freedom

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Karl Popper
"Those who promise us paradise on earth never produced anything but a hell."

Earth

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Karl Popper
"Science may be described as the art of systematic over-simplification."

Art

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Karl Popper
"Science must begin with myths, and with the criticism of myths."

Science

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Karl Popper
"We have become makers of our fate when we have ceased to pose as its prophets."

Fate

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Karl Popper
"Good tests kill flawed theories; we remain alive to guess again."

Knowledge

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