.. for desire is like a wild beast, and anger perverts rulers and the very best of men. Hence law is intelligence without appetition.

It is clear that there is some difference between ends: some ends are energeia [energy], while others are products which are additional to the energeia.

It is through wonder that men now begin and originally began to philosophize; wondering in the first place at obvious perplexities, and then by gradual progression raising questions about the greater matters too.

The final cause, then, produces motion through being loved.

Dissimilarity of habit tends more than anything to destroy affection.

A friend is simply one soul in two bodies.

The ideal man is his own best friend and takes delight in privacy.