我努力以激情和目标生活。

Don’t take it personally when someone turns you down. Assume they are like you: busy， occupied， distracted. Try again later. It’s amazing how often a second try works.

The greatest education in the world is watching the masters at work.

It all depends on how we look at things, and not on how they are themselves.

人权不是特权，而是和平与安全的基础。

NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。