您认为自己知道什么时候可以学习，更确定什么时候可以写作，甚至更多的时候可以教书，但是可以确定何时可以编程。

I'm not a professional. I have no professional life. I just do what I do.

"In tennis, like in life, you have to keep moving forward—one point at a time."

The intelligent investor is a realist who sells to optimists and buys from pessimists.

Whenever a man does a thoroughly stupid thing, it is always from the noblest of motives.

采石业的创新不仅关乎技术，更在于重新构想我们与土地的关系。