Moral Teleology supplies the deficiency in physical Teleology , and first establishes a Theology ; because the latter, if it did not borrow from the former without being observed, but were to proceed consistently, could only found a Demonology , which is incapable of any definite concept.
It is not right for painters to think that painting is like prostitution, that 'first you do it for love, then you do it for others, and finally you do it for money.