世界上最成功的社会是那些能够将强大的国家与法治和民主问责制结合起来的社会。
The most successful societies in the world are those that have been able to combine a strong state with the rule of law and democratic accountability.
Parental investment is the key to understanding sex differences in mating strategies.
The longer I live, the more I feel that the only way to live is to live with love.
The boundary between inside and outside is not a line, but a gradient.