The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

无产阶级是普遍的阶级，他们的根本锁链是可以破裂的阶级。

音乐是灵魂的语言。

人类的创作犹如自然的创作一样，真正地说起来，值得注意的主要是动机。

The AdS/CFT correspondence is a profound insight into the nature of reality, bridging the gap between quantum mechanics and general relativity.

Some people don’t like change， but you need to embrace change if the alternative is disaster.

你必须无所畏惧。

我们必须始终努力使技术对每个人都是可及的。