The Basis of Morality by Part 2 Chapter 3 Page 2

Ethics here finds her work already done, and comes too late. The impossibility of violating the duty of self-love is at once assumed by the first law of Christian Morals: “Love thy neighbour as thyself.” According to this, the love which each man cherishes for himself is postulated as the maximum, and as the condition of all other love; while the converse, “Love thyself as thy neighbour” is never added; for every one would feel that the latter does not claim enough.

Moreover, self-love would be the sole duty regularly involving an opus supererogationis. Kant himself says in the Metaphysische Anfangsgr�nde zur Tugendlehre, p. 13 (R., p. 230): “That which each man inevitably wills of himself, does not belong to the conception of Duty.” This idea of duties towards ourselves is