New forms arise, and when the old dissolve, the matter whence they were composed is not left useless, but wrought with equal management and art, even in corruption, Nature's seeming waste and vile abhorrence. The abject state appears merely as a way to some better. But could we nearly view it, and with indifference, remote from the antipathy of sense, we then perhaps should highest raise our imagination, convinced that even the way itself was equal to the end
So for Shaftesbury, disinterestedness meant looking beyond the narrow good of the self, or of any subset of the whole universe. Once you view the world sub specie aeternitas you can see both divine beauty and divine goodness.
Perhaps I should get the book through ILL. Or maybe just buy it. I don't know which would be faster.