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

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.

This growth in the number, speed of formation, permanence, delicacy and complexity of associations possible for an animal reaches its acme in the case of man.

Dogs get lost hundreds of times and no one ever notices it or sends an account of it to a scientific magazine.

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

The intellectual evolution of the race consists in an increase in the number, delicacy, complexity, permanence and speed of formation of such associations.

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