"A scientific theory is just a mathematical model we make to describe our observations: it exists only in our minds. So it is meaningless to ask: which is real, "real" or "imaginary" time? It is simply a matter of which is the more useful description."

Science, Theory, Reality, Knowledge

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"A scientific theory is just a mathematical model we make to describe our observations: it exists only in our minds. So it is meaningless to ask: which is real, "real" or "imaginary" time? It is simply a matter of which is the more useful description."

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"What is salvation for humans? The answer is simple: Salvation is to perpetuate our existence via science!"

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Explore more quotes by Stephen Hawking

"Stephen Hawking said that his quest is simply "trying to understand the mind of God"."

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"I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers that is a fairy story for people afraid of the dark."

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"Ever since the dawn of civilization, people have not been content to see events as unconnected and inexplicable. They have craved an understanding of the underlying order in the world. Today we still yearn to know why we are here and where we came from. Humanity's deepest desire for knowledge is justification enough for our continuing quest. And our goal is nothing less than a complete description of the universe we live in."

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"I think the human race doesn't have a future if it doesn't go into space."

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"I swear to use my scientific knowledge for the good of Humanity. I promise never to harm any person in my search for enlightenment.I shall be courageous and careful in my quest for greater knowledge about the mysteries that surround us. I shall not use scientific knowledge for my own personal gain or give it to those who seek to destroy the wonderful planet on which we live.If I break this oath, may the beauty and wonder of the Universe forever remain hidden from me."

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"Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoveries."

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"I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first."

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"A zero-gravity flight is a first step toward space travel."

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"Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'"

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"We got through all of Genesis and part of Exodus before I left. One of the main things I was taught from this was not to begin a sentence with And. I pointed out that most sentences in the Bible began with And, but I was told that English had changed since the time of King James. In that case, I argued, why make us read the Bible? But it was in vain. Robert Graves was very keen on the symbolism and mysticism in the Bible at that time."

Literature