The penultimate parable of Matthew 13 uses the illustration with which Christ's disciples were very familiar: fishing in the Sea of Galilee.
Matthew 13 contains more parables than any other chapter in the Gospels. They are related in theme and organized to teach Christians specific lessons.
Jesus' parables of the Pearl of Great Price, the Dragnet, and the Householder resolve the problems raised in their corresponding earlier parables.
The church constitutes Christ's treasure, hidden in the world, purchased and redeemed with Christ's blood. The Pearl of Great Price depicts a rich merchant (Christ), the only one who had the means to redeem His church. The Dragnet symbolizes the scope of God's calling while the separation process indicates God's high standards …
The parable of the Dragnet describes the culling process God uses to separate the truly committed from every walk of life from those mildly interested.