John Damascene
Catena Aurea · Lukasevangelium 9
And it came to pass about an eight days after these sayings, he took Peter and John and James, and went up into a mountain to pray. And as he prayed, the fashion of his countenance was altered, and his raiment was white and glistering. And, behold, there talked with him two men, which were Moses and Elias: Who appeared in glory, and spake of his decease which he should accomplish at Jerusalem.
(ut sup. 10.) Servants however pray in one way; our Lord prayed in another. For the prayer of the servant is offered up by the lifting up of the mind to God, but the holy mind of Christ, (who was hypostatically [ὑπόστασιν] united to God,) prayed, that He might lead us by the hand to the ascent, whereby we mount up in prayer to God, and teach us that He is not opposed to God, but reverences theFather as His beginning; (ὡς ἀρχὴν ἑαυτὸν) nay, even tempting the tyrant, who sought from Him whether He were God, (which the power of His miracles declared,) He concealed as it were under the bait a hook; that he who had deceived man with the hope of divinity might fitly himself be caught with the clothing of humanity. Prayer is the revelation of Divine glory; as it follows, And as he prayed, the fashion of his countenance was altered.