Kant believes natural law is written in the human heart. For him, the highest good can be understood as happiness, which is distributed in exact proportion to morality (First Critique). Therefore, in a sense, the highest good can be defined as the combination of happiness and virtue. However, this definition is not clearly held in all Kantian writings, something which arises an ambiguity that has been the object of ongoing research. For instance, in the Second Critique, Kant also speaks of the supreme good as a consummated or transcended good. A widespread way to approach the issue has been claiming …
