The quality of a country's institutions is the most important determinant of its success.

At the end of the day, if I can say I had fun, it was a good day.

The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

天下的治乱不在于一个王朝的兴亡，而在于百姓的忧乐。

Every discovery in science opens up a new set of questions, and that's what makes it so exciting.