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" How is an error possible in mathematics? "
Henri Poincare
Error
Possible
Mathematics
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" If we knew exactly the laws of nature and the situation of the universe at the initial moment, we could predict exactly the situation of the same universe at a succeeding moment. "
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" It has adopted the geometry most advantageous to the species or, in other words, the most convenient. "
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" A small error in the former will produce an enormous error in the latter. "
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" If one looks at the different problems of the integral calculus which arise naturally when one wishes to go deep into the different parts of physics, it is impossible not to be struck by the analogies existing. "
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" Science is built up of facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house. "
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" A scientist worthy of his name, about all a mathematician, experiences in his work the same impression as an artist; his pleasure is as great and of the same nature. "
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" Geometry is not true, it is advantageous. "
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" Mathematics is the art of giving the same name to different things. "
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" It is far better to foresee even without certainty than not to foresee at all. "
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" Mathematical discoveries, small or great are never born of spontaneous generation. "
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" If that enabled us to predict the succeeding situation with the same approximation, that is all we require, and we should say that the phenomenon had been predicted, that it is governed by the laws. "
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" One would have to have completely forgotten the history of science so as to not remember that the desire to know nature has had the most constant and the happiest influence on the development of mathematics. "
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Science
Nature
Mathematics
" No more than these machines need the mathematician know what he does. "
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Machines
More
Need
" Mathematicians are born, not made. "
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Made
Mathematicians
Born
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Facts
Science
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Discern
Choose
Invent
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Experience
Uses
Only
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Capable
Knowledge
Worthy
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Worth
Life
Beautiful
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Reflection
Believe
Doubt
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Facts
Speak
" What is it indeed that gives us the feeling of elegance in a solution, in a demonstration? "
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Elegance
Solution
Indeed
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Fail
Small
See
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Infallible
Mathematicians
Need
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Least
Hypotheses
Lack
" The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful. "
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Beautiful
Nature
He