31. he was seen many days of them which came up with him from Galilee to Jerusalem, &c.--that is, by those who, having gone out and in with Him in closest intimacy during all His public ministry, which lay chiefly in Galilee, and having accompanied Him on His last journey to Jerusalem, could not possibly be mistaken as to the identity of the risen One, and were therefore unexceptionable and sufficient witnesses.

JFB.