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Author
Quote
A. Einstein
Energy equals mass times the speed of light squared.
R. Descartes
I think, therefore I am.
C.F. Gauss
It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment.
A. De Morgan
The moving power of mathematical invention is not reasoning, but imagination.
G. Cantor
In mathematics the art of asking questions is more valuable than solving problems.
K. Gödel
Every error is due to extraneous factors (such as emotion and education); reason itself does not err.
E. Borel
Whatever the progress of human knowledge, there will always be room for ignorance, hence for chance and probability.
C.S. Peirce
Few persons care to study logic, because everybody conceives himself to be proficient enough in the art of reasoning already.
L. Euler
Although to penetrate into the intimate mysteries of nature and thence to learn the true causes of phenomena is not allowed to us, nevertheless it can happen that a certain fictive hypothesis may suffice for explaining many phenomena.
B. Pascal
People almost invariably arrive at their beliefs not on the basis of proof but on the basis of what they find attractive.
I. Newton
Plato is my friend - Aristotle is my friend - but my greatest friend is truth.
R. Descartes
In my opinion, all things in nature occur mathematically.
G. Leibniz
If controversies were to arise, there would be be no more need of disputation between two philosophers than between two calculators. For it would suffice for them to take their pencils in their hands and to sit down at the abacus, and say to each other (and if they so wish also to a friend called to help): Let us calculate.
D. Hilbert
We must know - we will know!
L. Euler
Madam, I have come from a country where people are hanged if they talk.