"Parental investment is the key to understanding the origins of sex differences."
Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.
衡量进步的真正标准不仅仅是利润,还有我们给社会和地球留下的积极影响。
在时间的长河里,我们都是移民。
The best leaders are those who listen more than they speak.《Leadership in the Modern Age》