At this point we may observe our metaphysical criterion of reality coincides with our ethical criterion of moral worth. For in morality too we esteem one life worthier than another, either for the superior comprehensiveness of its ideals or for the thoroughness with which they are wrought into a harmonious whole of coherent purpose. The better man is either the man of the wider ideal, or again the man of completer and purer self-devotion to his ideal. And thus for Morality the measure of our worth, as for Metaphysics the measure of our reality, lies in our individuality. And for Morality no less than for Metaphysics individuality is pre-eminently a thing of degrees. In both cases, again, the same difficulty besets us as soon as we attempt to use our criterion for application to particular cases. Its two aspects fall apart; it is not always the more comprehensive ideal which is served with the higher fidelity of purpose. And so our actual moral judgments on the worth of particular men, like our metaphysical judgments on the order of reality to which particular things belong, are often necessarily uncertain and fluctuating. We rate one man morally high for the comprehensive rationality of his ideals, though he suffers from a lack of concentrated energy, another for the steady and earnest purpose with which he follows what we perhaps deplore as a contracted ideal. § 6. One more point of supreme importance concerning the relation of the lesser individuals to the perfect individual which is the absolute whole of Reality. Now that we have learned what is meant by degrees of individuality, we can see that there can, in the last resort, be only one perfect and complete individual, the whole of Reality itself, and that the subordinate individuals can never be wholly and entirely individual in themselves. For to be a complete individual would be, as we have seen, to be a whole system absolutely self-contained and explicable solely by reference to internal structure. Whatever requires, for the full understanding of its systematic character, reference to existence outside itself, we have seen, must also, so long as it is considered apart from the rest of existence, be internally wanting in complete systematic harmony, and thus must fall doubly short of the ideal of individuality.