All stable processes we shall predict. All unstable processes we shall control.

The most vitally characteristic fact about mathematics is, in my opinion, its quite peculiar relationship to the natural sciences, or more generally, to any science which interprets experience on a higher than purely descriptive level.

With four parameters I can fit an elephant, and with five I can make him wiggle his trunk.

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.

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

I am thinking about something much more important than bombs. I am thinking about computers.

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