Thomas Mertens

In his moral writings, Kant states that moral duty cannot be derived from “the special characteristics of human nature.” This statement is untenable if one takes seriously Kant 's moral views on sexual desire. Instead close study reveals that considerations based on both morality and nature play a role here. The combination of these two elements leads to inconsistencies and difficulties in Kant 's understanding of sexual desire, but they enable us to better understand the importance Kant attributes to marriage within his philosophy of law

In, Kant defends a position that cannot be salvaged. The essay is nonetheless important because it helps us understand his philosophy of law and, more specifically, his interpretation of the social contract. Kant considers truthfulness a strict legal duty because it is the necessary condition for the juridical state. As attested by Kants arguments against the death penalty, not even the right to life has such strict unconditional status. Within the juridical state, established by the social contract, the innate right to freedom is transformed into a bundle of merely positive rights, including the right to life. Understanding the reason for the rejection of thus helps us understand the, in a sense, character of Kant’s legal philosophy. In conclusion, some suggestions are made to bring his position closer to our common moral understanding