The dog, on the other hand, has few or no ideas because his brain acts in coarse fashion and because there are few connections with each single process.

Amongst the minds of animals that of man leads, not as a demigod from another planet, but as a king from the same race.

The real difference between a man's scientific judgments about himself and the judgment of others about him is he has added sources of knowledge.

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

It will of course, be understood that directly or indirectly, soon or late, every advance in the sciences of human nature will contribute to our success in controlling human nature and changing it to the advantage of the common wheel.

Human beings are accustomed to think of intellect as the power of having and controlling ideas and of ability to learn as synonymous with ability to have ideas. But learning by having ideas is really one of the rare and isolated events in nature.

On the whole, the psychological work of the last quarter of the nineteenth century emphasized the study of consciousness to the neglect of the total life of intellect and character