Truth is much too complicated to allow anything but approximations.

Problems are often stated in vague terms... because it is quite uncertain what the problems really are.

There is no point in being precise if you do not even know what you are talking about.

Truth is much too complicated to allow anything but approximations.

Life is a process which may be abstracted from other media.

The emphasis on mathematical methods seems to be shifted more towards combinatorics and set theory - and away from the algorithm of differential equations which dominates mathematical physics.

Young man, in mathematics you don't understand things. You just get used to them.