Church Fathers on John 13:31

After the glory of His miracles, and His transfiguration, the next glorifying of the Son of man began, when Judas went out with Satan, who had entered into him; Therefore when he was gone out, Jesus said, Now is the soil of man glorified, and God is glorified in Him. For it is not the eternal only-begotten Word, but the glory of the Man born of the seed of David, which is here meant. Christ at His death, in which He glorified God, having spoiled principalities and powers,…

i.e. by Himself, not by any other. And shall straightway glorify Him, i.e. not at any distant time, but immediately, while He is yet on the very cross shall His glory appear. For the sun was darkened, rocks were rent, and many bodies of those that slept arose. In this way He restores the drooping spirits of His disciples, and persuades them, instead of sorrowing, to rejoice.

The unclean went out: the clean remained with their cleanser. Thus will it be when the tares are separated from the wheat; The righteous shall shine forth as the sale in the kingdom of their Father (Matt 13:43). Our Lord, foreseeing this, said, when Judas went out, as if the tares were now separated, and He left alone with the wheat, the holy Apostles. Now is the Son of man glorified; as if to say, Behold what will take place at My glorifying, at which none of the wicked…