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.
林业的未来在于技术,但它必须服务于自然,而不是剥削自然。
The greatest discoveries in mathematics are those that unify seemingly unrelated ideas.