Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.

保持一颗闲适的心，随遇而安。

The real challenge in computer science is not to write programs, but to understand the nature of computation.

The best way to optimize a program is to optimize it.

创新需要包容失败的文化，只有敢于试错才能进步。

伤人的不是再见，而是随之而来的回忆。