Isaiah 63:1

Who is this, so the prophet, in a burst of triumphant ecstasy, asks, that cometh from Edom, where the scene of the great judgment is laid, with dyed garments from Bozrah? this city being the ancient capital of Idumea. The garments of the Hero are pictured as being brilliant, scarlet, namely, with blood, as the next verses show: this that is glorious in His apparel, traveling in the greatness of His strength? coming along with proud bearing and stately stride. The Champion Himself answers, I that speak in righteousness, proclaiming the covenant of salvation, mighty to save, He in whom the redemption of the world is personified, He who carried out God's plan of salvation. Again the prophet asks,