时间旅行是世界上最令人沮丧的事情。你无法改变任何事情，也无法阻止任何事情的发生。

I don’t let anyone else’s opinion define my worth.

In economics, as in life, the answers are often more nuanced than they first appear.

挑战是伪装的机遇；拥抱它们并变得更强大。