The history of a nation is, in essence, the history of its ruling class.

我是那种会让你想去教堂的人。

In an uncertain era, the only certainty is change itself.

仅靠技术无法拯救我们——重要的是我们如何应用它。

The truth is rarely pure and never simple.

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.