Colors fade, temples crumble, empires fall, but wise words endure..

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 spen….

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 proce….

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

Human education is concerned with certain changes in the intellects, characters and behavior of men, its problems being roughly included under these ….

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

The function of intellect is to provide a means of modifying our reactions to the circumstances of life, so that we may secure pleasure, the symptom ….

Whatever exists at all exists in some amount. To know it thoroughly involves knowing its quantity as well as its quality..

Nowhere more truly than in his mental capacities is man a part of nature..

So the animal finally performs in that situation only the fitting act..

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 ….

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

Psychology helps to measure the probability that an aim is attainable..

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..

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 ….

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..

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 succ….

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

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