编写无错误程序的方式有两种：只有第三个有效。
There are two ways to write error-free programs; only the third one works.
The starting point to end poverty is admitting: We’re all in the same boat.
The brain is an enchanted loom where millions of flashing shuttles weave a dissolving pattern.
I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.
