Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
2002年:贝索斯致股东信《同时提供领先世界的用户体验,和价格最低的产品》
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.