When the world is governed by virtue, meaning that a ruler governs with virtue. They will use warhorses for manuring fields; manure refers to fertilizing the farmland. Weapons and armor will not be used; instead, warhorses are turned to farming the fields. In cultivating oneself, one withdraws yang essence to nourish one's body. When the world lacks virtue, meaning that a ruler lacks virtue. Warhorses are raised in the suburbs. When warfare does not cease, warhorses give birth on the outskirts; they remain there for a long time without returning. No crime is greater than indulging in desires; referring to the love of lustful pleasures. No misfortune is greater than not knowing contentment, because wealth and honor cannot restrain oneself. No fault is greater than the desire to acquire; desiring others' possessions means greed and seeking profit. Therefore, the contentment of being content means safeguarding one's fundamental nature. Is always sufficient — means having no desires in the mind.