"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."

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At the piano, I'm able to communicate in a way that is very intimate and direct. My approach at music is a bit like talking to a friend. You don't have to be very complicated when you speak. If you say what's in your heart, it's usually very simple.

— David Lanz