你不必伟大才能开始，但你必须开始才能伟大。

I think that the greatest gift you can give to somebody is your own personal development.

When we strive to become better than we are, everything around us becomes better, too.

Success is not about the amount of money you make, it's about the difference you make in people's lives.

如果你不愿意失败，你就没有准备好成功。

历史学家必须兼具诗人和哲学家的特质。