Thus the Health of the Body being good and sound, if a Man has warm, but sharp Blood, with very elastic and strong pungent Nerves, but the particular Organs of Think|ing, Attention and Reflection, indifferently agile only, he may make a Hero. If his Blood be cool, soft, mild and sweet, and his intel|lectual Organs very elastic or agile, he may make a Philosopher or Law-giver: And so of the other Differences of natural Spirits, among the human Race, in all of whom the Fund, or natural Attributes, may be pretty near equal. But whatever Equality there may be in the natural Qualities of such Spirits, the Difference in the moral ones, makes the human Species to differ at last widely, even in the Ex|ercise of natural ones. For the true Criterion of a right and sound Understanding, and per|fect Judgment, is to examin things by Num|ber, Weight and Measure, according to their Nature and Relations, and then to estimat and prefer them, according to their intrinsic Worth and Importance thus determin'd; and in this Sense it is true only, that the righteous Man is more excellent than his Neighbour: that is, wiser as well as better. And that the Acquisition and Culture of the moral Quali|ties, not only shew the Justness and Strength of the natural ones, but also inlarge, augment and perfect them, both as they necessarily mend and improve the bodily Health, by Temperance and Abstinence, and consequently rectify and 0