Between friends there is no need of justice.
The final cause, then, produces motion through being loved.
For nature by the same cause, provided it remain in the same condition, always produces the same effect, so that either coming-to-be or passing-away will always result.
Friendship is two souls inhabiting one body.
Whether we will philosophize or we won't philosophize, we must philosophize.
Men must be able to engage in business and go to war, but leisure and peace are better; they must do what is necessary and indeed what is useful, but what is honorable is better. On such principles children and persons of every age which requires education should be trained.