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" It is far better to foresee even without certainty than not to foresee at all. "
Henri Poincare
Better
Certainty
Far
Related Quotes:
" Thought is only a flash between two long nights, but this flash is everything. "
Henri Poincare
Long
Only
Thought
" 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. "
Henri Poincare
Nature
Universe
Moment
" Mathematicians are born, not made. "
Henri Poincare
Made
Mathematicians
Born
" Ideas rose in clouds; I felt them collide until pairs interlocked, so to speak, making a stable combination. "
Henri Poincare
Rose
Pairs
Ideas
" To doubt everything, or, to believe everything, are two equally convenient solutions; both dispense with the necessity of reflection. "
Henri Poincare
Reflection
Believe
Doubt
" 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. "
Henri Poincare
Artist
Work
Same
" Need we add that mathematicians themselves are not infallible? "
Henri Poincare
Infallible
Mathematicians
Need
" Invention consists in avoiding the constructing of useless contraptions and in constructing the useful combinations which are in infinite minority. "
Henri Poincare
Useless
Minority
Infinite
" Thus, they are free to replace some objects by others so long as the relations remain unchanged. "
Henri Poincare
Replace
Long
Free
" Facts do not speak. "
Henri Poincare
Facts
Speak
" 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. "
Henri Poincare
Science
Stones
Up
" A small error in the former will produce an enormous error in the latter. "
Henri Poincare
Error
Will
Produce
" If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living. "
Henri Poincare
Worth
Life
Beautiful
" What is it indeed that gives us the feeling of elegance in a solution, in a demonstration? "
Henri Poincare
Elegance
Solution
Indeed
" Mathematics is the art of giving the same name to different things. "
Henri Poincare
Same
Name
Mathematics
" Just as houses are made of stones, so is science made of facts. "
Henri Poincare
Houses
Science
Stones
" How is an error possible in mathematics? "
Henri Poincare
Error
Possible
Mathematics
" Mathematicians do not study objects, but relations between objects. "
Henri Poincare
Objects
Study
Mathematicians
" A very small cause which escapes our notice determines a considerable effect that we cannot fail to see, and then we say that the effect is due to chance. "
Henri Poincare
Fail
Small
See
" Point set topology is a disease from which the human race will soon recover. "
Henri Poincare
Disease
Race
Soon
" Science is facts. "
Henri Poincare
Facts
Science
" Hypotheses are what we lack the least. "
Henri Poincare
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. "
Henri Poincare
Beautiful
Nature
He
" It is the harmony of the diverse parts, their symmetry, their happy balance; in a word it is all that introduces order, all that gives unity, that permits us to see clearly and to comprehend at once both the ensemble and the details. "
Henri Poincare
Unity
Happy
Balance
" It has adopted the geometry most advantageous to the species or, in other words, the most convenient. "
Henri Poincare
Geometry
Words
Most
" Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves, has no objective existence. "
Henri Poincare
Earth
Mark
Space
" Mathematical discoveries, small or great are never born of spontaneous generation. "
Henri Poincare
Great
Never
Born
" 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. "
Henri Poincare
Go
Problems
Physics
" The mind uses its faculty for creativity only when experience forces it to do so. "
Henri Poincare
Experience
Uses
Only
" Geometry is not true, it is advantageous. "
Henri Poincare
True
Geometry