“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.”

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

“There is no reasoning, no process of inference or comparison there is no thinking about things, no putting two and two together there are no ideas - the animal does not think of the box or of the food or of the act he is to perform.”