The Basis of Morality by Part 2 Chapter 2 Page 11

show itself. For this obligation, said to be so unconditioned, nevertheless postulates; more than one condition in the background; it assumes a rewarder, a reward, and the immortality of the person to be rewarded.

This is of course unavoidable, if one really makes Duty and Obligation the fundamental conception of Ethics; for these ideas are essentially relative, and depend for their significance on the threatened penalty or the promised reward. The guerdon which is assumed to be in store for virtue shows clearly enough that only in appearance she works for nothing. It is, however, put forward modestly veiled, under the name of the Highest Good, which is the union of Virtue and Happiness. But this is at bottom nothing else but a morality that derives its origin from Happiness, which means, a morality resting on selfishness.