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depths of that truly mystic unknown, about which all knowledge is refunded into ignorance. For, as Simplicius justly observes, "It is requisite that he who ascends to the principle of things should investigate whether it is possible there can be any thing better than the supposed principle; and if something more excellent is found, the same inquiry should again be made respecting that, till we arrive at the highest conceptions, than which we have no longer any more venerable. Nor should we stop in our ascent till we find this to be the case. For there is no occasion to fear that our progression will be through an unsubstantial void, by conceiving something about the first principles which is greater and more transcendent than their nature. For it is not possible for our conceptions to take such a mighty leap as to equal, and much less to pass beyond, the dignity of the first principles of things." He adds, "This, therefore, is one and the best extension [of the soul] to [the highest] God, and is, as much as possible, irreprehensible; viz. to know firmly, that by ascribing to him the
