It is evident that the state is a creation of nature, and that man is by nature a political animal.

The quality of life is determined by its activities.

The legislator should direct his attention above all to the education of youth; for the neglect of education does harm to the constitution. The citizen should be molded to suit the form of government under which he lives. For each government has a peculiar character which originally formed and which continues to preserve it. The character of democracy creates democracy, and the character of oligarchy creates oligarchy.

The energy or active exercise of the mind constitutes life.

It was through the feeling of wonder that men now and at first began to philosophize.

The soul is the cause or source of the living body. The terms cause and source have many senses. But the soul is the cause of its body alike in all three senses which we explicitly recognize. It is (a) the source or origin of movement, it is (b) the end, it is (c) the essence of the whole living body.

Law is mind without reason.