对于劳动者来说，最大的幸福是有充足的物质享受。

The quality of a country's institutions is the single most important determinant of its long-term economic performance.

Our evolved psychology is the foundation of all culture, not the other way around.

善于灭火的人,不会迎着烟雾去扑;善于防备水灾的人,不会在水流湍急的地方去防护。