Leadership is not about being in charge. It's about taking care of those in your charge.

Economic theory provides the tools, but real-world testing refines them.

Data without action is just noise in the aquaculture revolution.

你不必完美才能激励别人，让人们从你处理不完美的方式中获得启发。

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.