Cyril of Alexandria

He communicates the knowledge of Himself to those among whom He was brought up according to the flesh. As it follows, And he came to Nazareth.

Catena Aurea by Aquinas ↗

Ambrose of Milan

The Lord in every thing so humbled Himself to obedience, that He did not despise even the office of a reader, as it follows, And he rose up to read, and there was delivered unto him the book, &c. He received the book indeed, that He might show Himself to be the same who spoke in the Prophets, and that He might stop the blasphemies of the wicked, who say that there is one God of the Old Testament, another of the New; or who say that Christ had His beginning from a virgin. …

Catena Aurea by Aquinas ↗

Bede

And He came to Nazareth, where He was brought up, and, according to His custom, He entered the synagogue on the Sabbath day. Synagogue, in Greek, means congregation in Latin, which term was used to mean not only the assembly of many people, but also the house where the Jews gathered to hear or speak the word of God. Hence the Lord said to the high priest Annas: I have always taught in the synagogue and in the temple, where all the Jews come together. Just as we also call the churches of the faithful both places and choirs. …

On the Gospel of Luke ↗

Bonaventure

Here indeed is noted the opportuneness in testifying, which is observed in the circumstances concurring for Christ to read in the sight of the synagogue. Whence four things are noted here. For he is said to have entered, risen up, received the book, and unrolled what he received. These four are introduced for the fourfold instruction of those searching out the truth, namely, of leisure for meditating, of readiness for reading, of gentleness for learning, and of certitude for declaring. …

Commentary on Luke, Chapter 4 ↗