"I fell in love the way you fall asleep: slowly, and then all at once."

自由的概念与真理的概念不可分割。

Collaboration across industries and governments is essential to tackle the global challenge of climate change.

无铬是不够的；我们需要无愧于心。

The most effective development interventions are often the simplest ones.

三种激情，简单但无比强烈，支配着我的生活：对爱的渴望，对知识的追求，以及对人类苦难的无法忍受的怜悯。