一个好的广告应该像一篇好的布道；它不仅必须安慰受难者，还必须使舒适者感到不安。
A good ad should be like a good sermon; it must not only comfort the afflicted, but also afflict the comfortable.
The arithmetic of modular forms is a gateway to understanding higher-dimensional objects.
真正的领导力在于服务他人，而不是指挥他们。
I'm not a hero; I'm a survivor.
预测未来的最好方法就是创造未来。
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.