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.

释义：不要争强好胜，人生百年不过是一场戏。顷刻之间锣鼓声停，不知道哪里是自己的家乡。

权力的代价总是高昂的，但无力的代价更高。