He has not learned the first lesson of life who does not every day surmount a fear.

过去不是我们抛在身后的东西；它是我们内心携带的东西，塑造着我们的现在和未来。

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.

爱不仅是一种情感，它也是一门艺术。

The world is like a chessboard， whereon we may see a living knight， but we cannot see a living chess.

I choose a block of marble and chop off whatever I don't need.