John Chrysostom
Catena Aurea · Markusevangelium 9
And he said unto them, Verily I say unto you, That there be some of them that stand here, which shall not taste of death, till they have seen the kingdom of God come with power. And after six days Jesus taketh with him Peter, and James, and John, and leadeth them up into an high mountain apart by themselves: and he was transfigured before them. And his raiment became shining, exceeding white as snow; so as no fuller on earth can white them. And there appeared unto them Elias with Moses: and they were talking with Jesus. And Peter answered and said to Jesus, Master, it is good for us to be here: and let us make three tabernacles; one for thee, and one for Moses, and one for Elias. For he wist not what to say; for they were sore afraid. And there was a cloud that overshadowed them; and a voice came out of the cloud, saying, This is my beloved Son: hear him. And suddenly, when they had looked round about, they saw no man any more, save Jesus only with themselves.
(Hom. in Matt. 56) He brings Moses and Elias before them; first, indeed, because the multitudes said that Christ was Elias, and one of the Prophets, He shews Himself to the Apostles with them, that they might see the difference between the Lord, and His servants. And again because the Jews accused Christ of transgressing the law, and thought Him a blasphemer, as if He arrogated to Himself the glory of His Father, He brought before them those who shone conspicuous in both ways; for Moses gave the Law, and Elias was zealous for the glory of God; for which reason neither would have stood near Him, if He had been opposed to God and to His law. And that they might know that He holds the power of life and of death, He brings before them both Moses who was dead, and Elias who had not yet suffered death. Furthermore He signified by this that the doctrine of the Prophets was the schoolmaster to the doctrine of Christ. He also signified the junction of the New and Old Testament, and that the Apostles shall be joined in the resurrection with the Prophets, and both together shall go forth to meet their common King. It goes on, And Peter answered and said to Jesus, Master, it is good for us to be here; and let us make three tabernacles, one for thee, and one for Moses, and one for Elias.