According to St. Augustine and Thomas Aquinas, man's last end is happiness: "all men agree in desiring the last end, which is happiness."[64] However, where utilitarians focused on reasoning about consequences as the primary tool for reaching happiness, Aquinas agreed with Aristotle that happiness cannot be reached solely through reasoning about consequences of acts, but also requires a pursuit of good causes for acts, such as habits according to virtue.[65] In turn, which habits and acts that normally lead to happiness is according to Aquinas caused by laws: natural law and divine law. These laws, in turn, were according to Aquinas caused by a first cause, or God