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

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

The restriction of studies of human intellect and character to studies of conscious states was not without influence on a scientific studies of animal 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.

He who learns and runs away, lives to learn another day.

All that exists, exists in some amount and can be measured.

Human education is concerned with certain changes in the intellects, characters and behavior of men, its problems being roughly included under these four topics: Aims, materials, means and methods.