变化是不可避免的，你如何应对决定了你的成功。

True innovation solves real problems, not just creates novelty.

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.

最后，我们只会后悔我们没有抓住的机会。

All the other children at my school are stupid. Except I’m not meant to call them stupid, even though this is what they are.

Loneliness is not the absence of others, but the absence of oneself.