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.

The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.

做游戏要回归本质，好玩才是硬道理。

实现明天的唯一限制将是我们今天的疑虑。

最伟大的旅程是那些引领我们回归自身人性的旅程。