Among beings that possess qualities such as goodness, truth, and nobility, there are gradations — some things are better, truer, or nobler than others.
Something that resembles a moral argument for God’s existence, or at least an argument from value, can be found in the fourth of Thomas Aquinas’s “Five Ways” (Aquinas 1265–1274, I, 1, 3). Aquinas there begins with the claim that among beings who possess such qualities as “good, true, and noble” there are gradations. Presumably he means that some things that are good are better than other good things; perhaps some noble people are nobler than others who are noble. In effect Aquinas is claiming th