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.

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

To the intelligent man with an interest in human nature it must often appear strange that so much of the energy of the scientific world has been spent on the study of the body and so little on the study of the mind.

For origin and development of human faculty we must look to these processes of association in lower animals.

Human folk are as a matter of fact eager to find intelligence in animals.

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

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.