Justice therefore demands that no one should do more ruling than being ruled, but that all should have their turn.

Being a father is the most rewarding thing a man whose career has plateaued can do.

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.

Neither by nature, then, nor contrary to nature do the virtues arise in us; rather we are adapted by nature to receive them, and are made perfect by habit.

Those who assert that the mathematical sciences say nothing of the beautiful or the good are in error. For these sciences say and prove a great deal about them; if they do not expressly mention them, but prove attributes which are their results or definitions, it is not true that they tell us nothing about them. The chief forms of beauty are order and symmetry and definiteness, which the mathematical sciences demonstrate in a special degree.

He who is to be a good ruler must have first been ruled.

The man with a host of friends who slaps on the back everybody he meets is regarded as the friend of nobody.