Note 1 — ISAIAH.

It is not only the inferior powers of the soul which this plague of sin has seized, but the contagion has ascended into the higher regions of the soul. The most supreme, most spiritual faculty in man’s mind, the understanding power of man, is corrupted, and needs renewing. To a carnal understanding not enlightened by the Word, this always has been and is the greatest paradox. Indeed, when blind reason, which thinks it sees, is judge, it is not strange that this corruption of the understanding should be a wonder to it. The reason, being the supreme faculty of all the rest, which judges all else, and is judged by none but itself, because of its nearness to itself, it least discerns itself. As a man’s eye, though it may see the deformity of another member, yet not the bloodshot that is in itself, but it must have a glass by which to discern it. And so, though even corrupt nature discerns the rebellions of the affections and sensual part of man by its own light, as the heathens did, and complained thereof, yet it cannot discern the infection and defilement that is in the spirit itself, but the glass of the Word is the first that discovers it; and when that glass is also brought, there had need by an inward light of grace, which is opposite to this corruption, to discover it.—T. Goodwin, 1600–1679.