最伟大的思想冒险往往始于一个简单的"如果"。
唯一真实的旅程是内心的旅程。
You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.
Algorithms are not just for solving problems; they are also for understanding the world.