27. For they that dwell at Jerusalem, and their rulers - He here anticipates a strong objection, "Why did not they at Jerusalem, and especially their rulers, believe?" They know not him, because they understood not those very prophets whom they read or heard continually. Their very condemning him, innocent as he was, proves that they understood not the prophecies concerning him.
29. They fulfilled all things that were written of him - So far could they go, but no farther.
31. He was seen many days by them who came up with him from Galilee to Jerusalem - This last journey both presupposes all the rest, and was the most important of all.