Comment Re:John Von Neumann quote (Score 2) 31
Except that it wasn't advice but a disclaimer. Curiously, though, the original context ties in to the topic of derandomisation:
Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin. For, as has been pointed out several times, there is no such thing as a random number – there are only methods to produce random numbers, and a strict arithmetic procedure of course is not such a method. (It is true that a problem that we suspect of being solvable by random methods may be solvable by some rigorously defined sequence, but this is a deeper mathematical question than we can now go into.) We are here dealing with mere "cooking recipes" for making digits; probably they can not be justified, but should merely be judged by their results. Some statistical study of the digits generated by a given recipe should be made. but exhaustive tests are impractical. If the digits work well on one problem, they seem usually to be successful with others of the sarne type.