写作的行为是一种自由的行为。

如果你想要为挽救生命而从事汽车自动行驶事业的话，你需要知道这个技术绝不是能从哪个特定学科里学到的。1995年，我还是一个博士生的时候，我就已经对无人驾驶汽车感兴趣了。

The most important part of teaching is to teach what it is to know.

The speed of the leader determines the rate of the pack.

I quite agree with them that it is not an ennobling experience. Poverty entails fear, and stress, and sometimes depression; it means a thousand petty humiliations and hardships. Climbing out of poverty by your own efforts, that is indeed something on which to pride yourself, but poverty itself is romanticised only by fools.

小人办事，处理的原则是私利，合于私利的就看作利，违背私利的就看作害；君子办事，衡量的标准是道义，合于道义的就看作利，违反道义的就看作害。