Glossa Ordinaria
Catena Aurea · Markusevangelium 1
Now as he walked by the sea of Galilee, he saw Simon and Andrew his brother casting a net into the sea: for they were fishers. And Jesus said unto them, Come ye after me, and I will make you to become fishers of men. And straightway they forsook their nets, and followed him. And when he had gone a little farther thence, he saw James the son of Zebedee, and John his brother, who also were in the ship mending their nets. And straightway he called them: and they left their father Zebedee in the ship with the hired servants, and went after him.
(non occ.) The Evangelist, having mentioned the preaching of Christ to the multitude, goes on to the calling of the disciples, whom he made ministers of his preaching, whence it follows, And passing along the sea of Galilee, &c.