Matthew 17:3

“And behold there appeared unto them, etc.] The disciples: Moses and Elias; Moses the giver of the law, and Elias one of the chief of the prophets: one of them had been dead near a thousand and five hundred years, and the other had been caught up to heaven, about nine hundred years before this. The Jews sometimes speak of these two as together. They say f942, “that the Shekinah never descends below, but whylaw hçm, “Moses and Elias” ascend above.” Yea, they expect that these two will come together in future time; for so they represent f943 a God saying to Moses; “Moses, as thou hast given thy life for them (the Israelites) in this world, so in time to come (the days of the Messiah) when I…”

“And behold there appeared unto them Moses and Elias - Moses, a distinguished servant of God, by whom the law was given, and whose institutions typified the Messiah. It was particularly proper that he should appear, when his prophecies and types were about to be fulfilled, and the rites which he had instituted were about to be done away. Elias, or Elijah, a distinguished prophet, taken to heaven without seeing death. See 2 Kings 2:11. Elijah had been honored eminently by being thus translated, and still more by being made the model of the forerunner of the Messiah, Malachi 4:5; Luke 1:17; Matthew 11:14. They appeared “in glory” Luke 9:31; i. e., as they are in heaven with the glory which the…”

“There appeared Moses and Elijah - Here for the full confirmation of their faith in Jesus, Moses, the giver of the law, Elijah, the most zealous of all the prophets, and God speaking from heaven, all bore witness to him. Matthew 17:4”

“17:3 Moses symbolizes the law and Elijah the prophets. They appeared as witnesses to Christ, to demonstrate that Jesus, God’s Son, is the fulfillment of everything written in the Law and the Prophets (see 5:17-20; 11:2-6; 12:28).”

“behold: Mar 9:4; Luk 9:30, Luk 9:31 Moses: Mat 11:13, Mat 11:14; Deu 18:18, Deu 34:5, Deu 34:6, Deu 34:10; Luk 24:27, Luk 24:44; Joh 1:17, Joh 5:45-47; Co2 3:7-11; Heb 3:1-6 Elias: Mat 17:10-13; Kg1 17:1, Kg1 18:36-40; Kg2 2:11-14; Mal 4:5, Elijah, Luk 1:17, Luk 9:33, Luk 16:16 Matthew 17:4”