Abandon unnecessary desires, and you will find true freedom.

A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"

在为增加粮食生产的机构和为控制人口的机构联合起来共同努力之前，抗击饥饿的斗争不可能取得永久性进展。

Good science requires both creativity and discipline.

A sense of crisis should always be maintained.

Innovation is not a slogan, but the actual action of every day.