Remember, if you ever need a helping hand, it's at the end of your arm, as you get older, remember you have another hand: The first is to help yourself, the second is to help others.

The past is a kind of shadow which is always there, whether you choose to ignore it or not.

要理解一个程序，你必须同时成为机器和程序。

现象学还原不是对自然世界的否定，而是对它的态度转变。

The key to success is to focus on goals, not obstacles.