Happiness is like a butterfly; the more you chase it, the more it will elude you. But if you turn your attention to other things, it will come and sit softly on your shoulder.

如果技术不能解决实际问题，它就毫无意义。

The only way to know your limits is to go beyond them.

死者一直在倾听。死者一直在注视。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."