历史的伤痕并非总是可见的，但它们始终存在。

还有什么智慧比善良更伟大？

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

The great philosophers are the great lovers of truth.

Change is inevitable. Growth is optional.

The best way to predict the future is to create it.

我们距离完全理解M理论还很远，但这一旅程已经带来了难以置信的回报。