The ideal man is his own best friend and takes delight in privacy.
In inventing a model we may assume what we wish, but should avoid impossibilities.
The Good of man is the active exercise of his soul's faculties in conformity with excellence or virtue, or if there be several human excellences or virtues, in conformity with the best and most perfect among them.
A vivid image compels the whole body to follow.
Happiness is activity.
Misfortune shows those who are not really friends.