John von Neumann

"If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is."

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

"It is exceptional that one should be able to acquire the understanding of a process without having previously acquired a deep familiarity with running it, with using it, before one has assimilated it …"

"Any one 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 ar…"

"Oral history interview with Alice R. Burks and Arthur W. Burks at Charles Babbage Institute"

"John von Neumann's 100th Birthday, article by Stephen Wolfram"

"A large part of mathematics which becomes useful developed with absolutely no desire to be useful, and in a situation where nobody could possibly know in what area it would become useful; and there we…"

"It is just as foolish to complain that people are selfish and treacherous as it is to complain that the magnetic field does not increase unless the electric field has a curl. Both are laws of nature."