They appeared in glory and spoke about His departure, which He was about to accomplish at Jerusalem.
We have here the narrative of Christ's transfiguration, which was designed for a specimen of that glory of his in which he will come to judge the world, of which he had lately been speaking, and, consequently, an encouragement to his disciples to suffer for him, and never to be ashamed of him.
Commenting on Luke 9:28-36
And it came to pass, as they departed from him,.... That is, as Moses and Elias departed from Christ; or "when they began to depart", as the Syriac version renders it; or "would depart", as the Arabic and Persic versions; seemed desirous of going, or made some signal or other by which the disciples perceived they were about to go; for, as yet, they were...
Verse 31. In glory. Of a glorious appearance. Of an appearance like that which the saints have in heaven. His decease. Literally his exit or departure. The word translated here decease--that is, exit, or going out--is elsewhere used to denote death. . Death is a departure or going out from this life. In this word there may be an allusion to the departure of the children of Israel from Egypt.