Psychology is the science of the intellects, characters and behavior of animals including man.

Some statements concern the conscious states of the animal, what he is to himself as an inner life; others concern his original and acquired ways of response, his behavior, what he is an outside observer

Just as the science and art of agriculture depend upon chemistry and botany, so the art of education depends upon physiology and psychology.

The un-conscious distortion of the facts is almost harmless compared to the unconscious neglect of an animal's mental life until it verges on the unusual and marvelous.

Whatever exists at all exists in some amount. To know it thoroughly involves knowing its quantity as well as its quality.

Psychology is the science of the intellects, characters and behavior of animals including man.

When, instead of merely associating some act with some situation in the animal way, we think the situation out, we have a set of particular feelings of its elements.