 In discussing the supreme good he defended the tenet of Stoicism that it consists of good habits; the Epicurean view might be corrected in its more abstract form of "mental joy", though not as physical pleasure.Moral philosophy included politics and economics, as well as ethics.In his "Enchiridion religionis reformae", an introductory seminary text, Walaeus gives a simplified form of the arguments of Zacharias Ursinus on natural theology; and relies little on Scripture for the existence of God.