沙漠之所以美丽，是因为在它的某个角落隐藏着一口井水……

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.

最も強い人間は、自分の弱さを認めることができる人だ。

认证计划是负责任林业实践的底线，而不是上限。

Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.

有比焚书更严重的罪行。其中之一是不读书。

所谓智慧，就是拥有的问题比答案多。