Parental investment is the key to understanding sex differences in mating strategies.

一本好书是一位伟大的老师。

投资不是要在别人的游戏中击败他们，而是要在自己的游戏中控制自己。

Every mathematical problem has a solution; it just takes time and effort to find it.

我信仰史宾诺莎的上帝，祂以宇宙的秩序与和谐来示现，而不是那个会干涉人类命运和行为的上帝。