The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.

"The function of freedom is to free someone else."

Behavior is determined by the current stimulus situation and past reinforcement history.

相信我，这世上没有“他们”。（U2《Invisible》的歌词：“There's no them / There’s only us”）

Don't let fear stop you from chasing your dreams.

不完全合同是常态，而非例外。