我们最终拥有的唯一工具是我们自己的感知。

找到自己的最好方法就是在为他人服务中迷失自己。

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.

Success is going from failure to failure without loss of enthusiasm.

今天很残酷，明天更残酷，后天很美好，但绝对大部分人会死在明天晚上。