The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.
战斗越艰难，胜利就越甜美。
The true challenge in mathematics is not solving problems, but asking the right questions.
我是个糟糕的说谎者，但很会演戏。
The harder the conflict, the more glorious the triumph.
The quality of ideas seems to play a minor role in mass movement leadership. What counts is the arrogant gesture, the complete disregard of the opinion of others, the singlehanded defiance of the world.
我们对自己说的最大谎言是 "这不需要写下来，我能记住的"。（换言之：好脑子不如烂笔头。）