In mathematics, the simplest questions often lead to the most profound discoveries.

The bond market is the ultimate reflection of market sentiment.

没关系，雨水会注满我的湖!如果湖干了，我还可以说：“不要紧，这天气正适合开车兜风……

数学是理性的音乐。

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.

海洋不仅是一种资源，更是一种责任。我们必须为子孙后代明智地管理它。