The city needs the ruler and admires the scientist. Violence is natural interference with natural striving. Artificial production is natural for human beings. Fulfillment includes independent activity and continuation of the species. Human fulfillment includes both individual and common good.
Perception knows that a thing is.
Every form, is in a sense, an unmoved mover that attracts and motivates life. Virtue is not knowledge. Knowing something is different from doing it. God has no friends, needs no friends. God is a self-mirroring mirror.