这是最好的时代，这是最坏的时代。

Your past does not define your future.

I'm not gonna be one of those people who has to look back and say, 'I should have done that.'

Money can buy comfort, but not the deeper satisfactions of life.

我不相信灵感。我相信工作。

The first step in the art of cutting metals is to find a man who has the necessary skill and experience to do the work.

Never let your sense of morals prevent you from doing what is right.