And Jesus, walking by the sea of Galilee, saw two brothers, Simon called Peter, and Andrew his brother, casting a net into the sea: for they were fishers.
All Commentaries on Matthew 4:18 Go To Matthew 4
Theophylact of Ochrid
AD 1107
These two had been disciples of John, and while John was still living they had approached Christ. But when they saw John arrested, they returned again to their fishing, and so Christ comes, fishing for them.