根据他的长处而使用他，就是根据他的长处而制服他。

The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.

Teaching is the most glorious profession under the sun.

Quantum nonlocality is not about faster-than-light communication, but about the structure of correlations.

消灭一个民族的第一步是抹去它的记忆。摧毁它的书籍、文化和历史。