在寻求无法企及的事物时，简单只会阻碍。

The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.

心理学必须植根于生物学

个体的行为不是由其种族归属决定的，而是由其祖先的特征和文化环境决定的。