让中国人吃饱饭是我们这代科学家的使命。
It is our mission as scientists of this generation to ensure Chinese people have enough to eat.
经验的直接内容是我们唯一可以知道的现实。
真正的自由不是你想做什么就做什么,而是你不想做什么就不做什么。
Words are wise men's counters, they do but reckon by them; but they are the money of fools.
最有效的发展干预措施往往是最简单的。