Lift up your eyes, and behold them that come from the north: where is the {i} flock that was given thee, thy beautiful flock?

(i) He asks the king, where his people is become.Jeremiah 13:20 Parallel Commentaries

The Cavils of the Pharisees Concerning Purification, and the Teaching of the Lord Concerning Purity - the Traditions Concerning Hand-Washing' and Vows. '
As we follow the narrative, confirmatory evidence of what had preceded springs up at almost every step. It is quite in accordance with the abrupt departure of Jesus from Capernaum, and its motives, that when, so far from finding rest and privacy at Bethsaida (east of the Jordan), a greater multitude than ever had there gathered around Him, which would fain have proclaimed Him King, He resolved on immediate return to the western shore, with the view of seeking a quieter retreat, even though it were …
Alfred Edersheim—The Life and Times of Jesus the Messiah

On the Animals
The birds are the saints, because they fly to the higher heart; in the gospel: and he made great branches that the birds of the air might live in their shade. [Mark 4:32] Flying is the death of the saints in God or the knowledge of the Scriptures; in the psalm: I shall fly and I shall be at rest. [Ps. 54(55):7 Vulgate] The wings are the two testaments; in Ezekiel: your body will fly with two wings of its own. [Ez. 1:23] The feathers are the Scriptures; in the psalm: the wings of the silver dove. …
St. Eucherius of Lyons—The Formulae of St. Eucherius of Lyons