Theophylact of Ohrid

For it was especially unpleasant for the Jews to hear that others, from among the Gentiles, would recline with Abraham and (other) forefathers (of theirs), while they themselves would be cast out.

Commentary on Luke ↗

Augustine of Hippo

The shepherds therefore come from nearby to see, and the Magi come from afar to worship. This is the humility by which the wild olive tree deserved to be grafted into the olive tree, and to produce an olive against nature; because it deserved to change nature through grace. For when the world was becoming entirely wild and bitter with this wild olive, it shined forth, having been made rich through the grace of grafting. For they come from the ends of the earth, according to Jeremiah, saying: Truly our fathers have worshipped lies. …

Sermon 203 ↗

Bonaventure

Secondly, as to the consideration of the glorification of others, he adds: And they shall come from the east and the west, from the north and the south, that is, from the universality of the nations gathered from every part of the world. For when the Jews were rejected on account of their carnality, the Lord called the nations as spiritual children; whence it is said in John 10: "Other sheep I have, which are not of this fold, and those I must bring." These were gathered from every part of the world through the ministry of the …

Commentary on Luke, Chapter 13 ↗