From the lowest animals of which we can affirm intelligence up to man this type of intellect is found.

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

Some statements concern the conscious states of the animal, what he is to himself as an inner life; others concern his original and acquired ways of response, his behavior, what he is an outside observer

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.

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

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

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.