Use， do not abuse...Neither abstinence nor excess ever renders man happy.

Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.

The world is a dark place, but there's light in it too. You just have to look for it.

化学的语言是通用的，超越了国界和文化。

共同体是人类身份的直接、即时和全面的对抗。

Leadership in manufacturing means anticipating change before it happens.

I don't fear failure. I fear not trying.

He who is not contented with what he has，would not be contented with what he would like to have.

如果你对每一次不公正都感到愤怒，那么你就是我的同志。