Augustine of Hippo
Catena Aurea · Johannesevangelium 21
After these things Jesus shewed himself again to the disciples at the sea of Tiberias; and on this wise shewed he himself. There were together Simon Peter, and Thomas called Didymus, and Nathanael of Cana in Galilee, and the sons of Zebedee, and two other of his disciples. Simon Peter saith unto them, I go a fishing. They say unto him, We also go with thee. They went forth, and entered into a ship immediately; and that night they caught nothing. But when the morning was now come, Jesus stood on the shore: but the disciples knew not that it was Jesus. Then Jesus saith unto them, Children, have ye any meat? They answered him, No. And he said unto them, Cast the net on the right side of the ship, and ye shall find. They cast therefore, and now they were not able to draw it for the multitude of fishes. Therefore that disciple whom Jesus loved saith unto Peter, It is the Lord. Now when Simon Peter heard that it was the Lord, he girt his fisher’s coat unto him, (for he was naked,) and did cast himself into the sea. And the other disciples came in a little ship; (for they were not far from land, but as it were two hundred cubits,) dragging the net with fishes. As soon then as they were come to land, they saw a fire of coals there, and fish laid thereon, and bread. Jesus saith unto them, Bring of the fish which ye have now caught. Simon Peter went up, and drew the net to land full of great fishes, an hundred and fifty and three: and for all there were so many, yet was not the net broken.
(Tract. cxxii) If the disciples had done this after the death of Jesus, and before His resurrection, we should have imagined that they did it in despair. But now after that He has risen from the grave, after seeing the marks of His wounds, after receiving, by means of His breathing, the Holy Ghost, all at once they become what they were before, fishers, not of men, but of fishes. We must remember then that they were not forbidden by their Apostleship from earning their livelihood by a lawful craft, provided they had no other means of living. For if the blessed Paul used not that power which he had with the rest of the preachers of the Gospel, as they did, but went a warfare upon his own resources, lest the Gentiles, who were aliens from the name of Christ, might be offended at a doctrine apparently venal; if, educated in another way, he learnt a craft he never knew before, that, while the teacher worked with his own hands, the hearer might not be burdened; much more might Peter, who had been a fisherman, work at what he knew, if he had nothing else to live upon at the time. But how had he not, some one will ask, when our Lord promises, Seek ye first the kingdom of God and His righteousness, and all these things shall be added unto you? (Matt. 6:33) Our Lord, we answer, fulfilled this promise, by bringing them the fishes to catch: for who else brought them? He did not bring upon them that poverty which obliged them to go fishing, except in order to exhibit a miracle1.