So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.

Our evolved psychology is the foundation of all culture, not the other way around.

政治理论研究不应局限于西方经验，而应拥抱全球视野。

The true use of art is to make the invisible visible.

我们必须投资未来，而不仅仅是开发现在。

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

A miracle:an event described by those to whom it was told by men who did not see it.