The Eskimos live among ice all their lives but have no single word for ice.

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

The measure of man's humanity is the extent and intensity of his love for mankind.

Man is the only 150 pound nonlinear servomechanism that can be wholly reproduced by unskilled labor.

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

Children are the most learning-hungry beings in the world.

Intellect without humanity is not good enough...what the world is suffering from at the present time is not so much an overabundance of intellect as an insufficiency of humanity.