Labor economics is fundamentally about understanding people’s choices and constraints.

我们现代的头骨里装着一个石器时代的心智。

每个数学问题都有一个解决方案；这只是找到正确视角的问题。

I have always believed that the way to make money is to buy when everyone else is selling and to sell when everyone else is buying.

"I don't think about being the best. I think about improving every day."

我们必须立即行动，因为海洋的衰退是我们不能忽视的危机。