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。