You are never too old to set another goal or to dream a new dream.

Success is not about being the best, it's about being better than yesterday.

Sometimes you have to play a long time to be able to play like yourself.

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

生活是10%发生在我们身上的事，90%是我们如何应对这些事。

我不是黑帮分子，我远非如此。