I don’t think you can compare eras in tennis. Every era has its great players.

Cryptography is about communication in the presence of adversaries.

真正的历史学家是真理的战士。

海洋赋予我们生命，我们有责任通过保护它来回报。

Reason is immortal， all else mortal.

孩子不是需要塑造的物品，而是需要展开的人。