Quotes by John von Neumann

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.
– John von Neumann
It would appear that we have reached the limits of what it is possible to achieve with computer technology, although one should be careful with such statements, as they tend to sound pretty silly in 5 years.
– John von Neumann
There's no sense in being precise when you don't even know what you're talking about.
– John von Neumann
In mathematics you don't understand things. You just get used to them.
– John von Neumann
The sciences do not try to explain, they hardly even try to interpret, they mainly make models. By a model is meant a mathematical construct which, with the addition of certain verbal interpretations, describes observed phenomena. The justification of such a mathematical construct is solely and precisely that it is expected to work.
– John von Neumann
You wake me up early in the morning to tell me I am right? Please wait until I am wrong.
– John von Neumann