The task of economics is not only to interpret phenomena, but also to provide practical advice and policies for society.

I'm not upset that you lied to me, I'm upset that from now on I can't believe you.

CRISPR gives us the tools to rewrite the code of life, but we must use them wisely.

光勤劳是不够的，蚂蚁也是勤劳的。要看你为什么而勤劳。

如果你想得到一切，就放下一切。

自然和历史是地理知识的两个重要来源。