善良一点，因为你遇到的每个人都在打一场艰苦的战斗。

如果我们总是做同样的事情，就不要指望事情会改变。

The best way to ensure peace is to maintain a balance of power among the great powers.

Fame is not the most important thing in life. The most important thing is to be happy.

做伟大工作的唯一方法是热爱你所做的事。