His conduct is distinguished by selfishness and combativeness.

He becomes a slave to envy, hatred, and other passions.
The restraint of law, and the influence and guidance of teachers, are absolutely necessary to good government and the well-being of social life.

Just as wood must be subjected to pressure in order to make it straight, and metal must be subjected to the grindstone in order to make it sharp, so must the nature of man be subjected to training and education in order to obtain from it the virtues of justice and self-sacrifice which characterize the best of the human race.

It is impossible to maintain that man's nature is good in the same sense that his eyes see and his ears hear; for in the latter there is no alternative.

An eye which does not see, is not an eye; an ear which does not hear, is not an ear.