We must not feel a childish disgust at the investigations of the meaner animals. For there is something marvelous in all natural things.
Nature makes nothing incomplete, and nothing in vain.
Excellence or virtue in a man will be the disposition which renders him a good man and also which will cause him to perform his function well.
Dissimilarity of habit tends more than anything to destroy affection.
Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms.
Perfect friendship is the friendship of men who are good, and alike in excellence; for these wish well alike to each other qua good, and they are good in themselves.