We used to think that if we knew one, we knew two, because one and one are two. We are finding that we must learn a great deal more about 'and'.
It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset.
To the pure geometer the radius of curvature is an incidental characteristic - like the grin of the Cheshire cat. To the physicist it is an indispensable characteristic. It would be going too far to say that to the physicist the cat is merely incidental to the grin. Physics is concerned with interrelatedness such as the interrelatedness of cats and grins. In this case the "cat without a grin" and the "grin without a cat" are equally set aside as purely mathematical phantasies.
Proof is an idol before which the mathematician tortures himself.
Human life is proverbially uncertain; few things are more certain than the solvency of a life-insurance company.
Follow AzQuotes on Facebook, Twitter and Google+. Every day we present the best quotes! Improve yourself, find your inspiration, share with friends
or simply: