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 spent on the study of the body and so little on the study of the mind.
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 real difference between a man's scientific judgments about himself and the judgment of others about him is he has added sources of knowledge.
So the animal finally performs in that situation only the fitting act.
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 of welfare.
