If purpose, then, is inherent in art, so is it in Nature also. The best illustration is the case of a man being his own physician, for Nature is like that - agent and patient at once.

The student of politics therefore as well as the psychologist must study the nature of the soul.

Leisure of itself gives pleasure and happiness and enjoyment of life, which are experienced, not by the busy man, but by those who have leisure.

It [Justice] is complete virtue in the fullest sense, because it is the active exercise of complete virtue; and it is complete because its possessor can exercise it in relation to another person, and not only by himself.

The soul suffers when the body is diseased or traumatized, while the body suffers when the soul is ailing.

In general, what is written must be easy to read and easy to speak; which is the same.

While the faculty of sensation is dependent upon the body, mind is separable from it