Cosmas Indicopleustes

But when his prayer was heard, and 185,000 men of the Assyrian army had been destroyed in one night by the angel, and when a victory so great and so marvellous had been wrought for him by God, he held more firmly than ever the estimate of himself which he had formerly entertained, claiming that he was beyond all doubt the Christ who had been predicted. …

The Christian Topography, Book 8 ↗