A Quote by Stanislaw Ulam

He [John von Neumann] had the invaluable faculty of being able to take the most difficult problem and separate it into its components, whereupon everything looked brlliantly simple.
John von Neumann gave me an interesting idea: that you don't have to be responsible for the world that you're in. So I have developed a very powerful sense of social irresponsibility as a result of von Neumann's advice. It's made me a very happy man ever since. But it was von Neumann who put the seed in that grew into my active irresponsibility!
There was a seminar for advanced students in Zürich that I was teaching and von Neumann was in the class. I came to a certain theorem, and I said it is not proved and it may be difficult. Von Neumann didn't say anything but after five minutes he raised his hand. When I called on him he went to the blackboard and proceeded to write down the proof. After that I was afraid of von Neumann.
My greatest concern was what to call it. I thought of calling it 'information,' but the word was overly used, so I decided to call it 'uncertainty.' When I discussed it with John von Neumann, he had a better idea. Von Neumann told me, 'You should call it entropy, for two reasons. In the first place your uncertainty function has been used in statistical mechanics under that name, so it already has a name. In the second place, and more important, no one really knows what entropy really is, so in a debate you will always have the advantage.'
John von Neumann was the only student I was ever afraid of.
John von Neumann draws attention to what seemed to him a contrast. He remarked that for simple mechanisms, it is often easier to describe how they work than what they do, while for more complicated mechanisms, it is usually the other way around.
Neumann, to a physicist seeking help with a difficult problem: Simple. This can be solved by using the method of characteristics. Physicist: I'm afraid I don't understand the method of characteristics. Neumann: In mathematics you don't understand things. You just get used to them.
Von Neumann languages do not have useful properties for reasoning about programs. Axiomatic and denotational semantics are precise tools for describing and understanding conventional programs, but they only talk about them and cannot alter their ungainly properties. Unlike von Neumann languages, the language of ordinary algebra is suitable both for stating its laws and for transforming an equation into its solution, all within the "language."
We have lost the invaluable faculty of being shocked a faculty which has hitherto almost distinguished the Man or Woman from the beast or child.
All stable processes we shall predict. All unstable processes we shall control. Describing John von Neumann's aspiration for the application of computers sufficiently large to solve the problems of meteorology, despite the sensitivity of the weather to small perturbations.
It's very satisfying to take a problem we thought difficult and find a simple solution. The best solutions are always simple.
There are two kinds of people in the world: Johnny Von Neumann and the rest of us.
John Cena's match with me, the one that kind of got him hired with WWE, I remember they were there to look at John, obviously. He looked great - he was like the blue-chipper - and John was a good friend of mine, so I had no problem whatsoever helping him kind of highlight and do his thing.
In most ecological systems you have a composite, biotic components as well as abiotic components acting together to form a whole, whereas in a human built environment most of the components are abiotic or they are inorganic. One of the first things we need to do is to complement the inorganic components with more organic components, and to make them interact to form a whole.
Pascal and C are special-purpose languages for manipulating the registers and memory of a von Neumann-style computer.
Perhaps this sounds very simple, but simple things are always the most difficult. In actual life it requires the greatest discipline to be simple, and the acceptance of oneself is the essence of the moral problem and the epitome of a whole outlook upon life.
... The approach of von Neumann and Connes to the use of non-commutative algebra in physics is naive, the situation is much more complicated.
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