Happiness is the reward of virtue.
Our feelings towards our friends reflect our feelings towards ourselves.
Nature does nothing in vain. Therefore, it is imperative for persons to act in accordance with their nature and develop their latent talents, in order to be content and complete.
The least initial deviation from the truth is multiplied later a thousandfold.
It may be argued that peoples for whom philosophers legislate are always prosperous.
Friends enhance our ability to think and act.