Progress in agriculture must be measured not just in yield, but in long-term environmental impact.

可持续性不仅仅是一种趋势——这是我们为下一代的责任。

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.

预测未来的最好方法就是创造未来。