Self-love then does not constitute THIS or THAT to be our interest or good; but, our interest or good being constituted by nature and supposed, self-love only puts us upon obtaining and securing it.
Joseph ButlerThe sum of the whole is plainly this: The nature of man considered in his single capacity, and with respect only to the present world, is adapted and leads him to attain the greatest happiness he can for himself in the present world.
Joseph Butler