一本好书是一个永远不会让你失望的朋友。

记忆是脆弱的，生命的空间如此短暂，转瞬即逝，我们永远无法看清事件之间的联系。

爱就是试图理解对方。

"History is not just what happened, but what people thought and felt about it."

"The power of a story is in its ability to inspire resilience."

The learn-it-all does better than the know-it-all.

学习数学的最好方法就是做数学。