It is the mark of the cultured man that he is aware of the fact that equality is an ethical and not a biological principle

Human beings are the only creatures who are able to behave irrationally in the name of reason.

The idea of "race" represents one of the most dangerous myths of our time.

You certainly can't tell anything from the microscopic structure of the brain whether the person was an idiot or a genius.

In teaching it is the method and not the content that is the message.

Girls marry for love. Boys marry because of a chronic irritation that causes them to gravitate in the direction of objects with certain curvilinear properties.

The natural superiority of women is a biological fact, and a socially acknowledged reality.