永远不要停止学习——当你认为自己什么都懂的那一刻，就是你落后的开始。

The world is always right. In its judgments, it is always right. For it is not the world that judges, but we.

所以,即使做很困难的事情,也一定能够达到目的,没听说过想达到自己的愿望,而能回避困难的。