To become truly great， one has to stand with people， not above them.
要真正伟大，必须与人民站在一起，而不是凌驾于他们之上。
The best designs emerge from a deep understanding of both theory and context.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.