"The only limit to our realization of tomorrow is our doubts of today."

Knowledge has value only insofar as it contributes to the liberation of humanity.

整体不同于部分之和

Always be prepared. The more you know, the less you carry.

我们必须记住，历史是由胜利者书写的，但记忆却是由失败者保存的。

The best strategy is simple but not easy.