As Jesus was walking beside the Sea of Galilee, He saw two brothers, Simon called Peter and his brother Andrew. They were casting a net into the sea, for they were fishermen.
Matthew 4:18. And Jesus walking. As this history is placed by Luke after the two miracles, which we shall afterwards see, an opinion has commonly prevailed, that the miracle, which is here related by him, was performed some time after that they had been called by Christ.
When Christ began to preach, he began to gather disciples, who should now be the hearers, and hereafter the preachers, of his doctrine, who should now be witnesses of his miracles, and hereafter concerning them. Now, in these verses, we have an account of the first disciples that he called into fellowship with himself. And this was an instance, 1. Of effectual calling to Christ.
Commenting on Matthew 4:18-22
And they straightway left their nets,.... That is, as soon as he had called them, they left their worldly employment, and followed him; they gave up themselves to his service, and became his disciples; they not only left their "nets", but their fishing boats, and fishing trade, and all that belonged to it, even all their substance; and also their relations, friends, and acquaintance, see...