No president who performs his duties faithfully and conscientiously can have any leisure.

The more you explain your art, the less powerful it becomes.

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.

在水果行业，质量远在收获之前就开始了——它始于土壤和我们投入每一步的关怀。

The best way to predict the future is to invent it.