Matthew 10:21 (KJV) states, "And the brother shall deliver up the brother to death, and the father the child: and the children shall rise up against their parents, and cause them to be put to death."

This verse is a part of Jesus' instructions to his disciples as he sends them out to preach the kingdom of heaven to the lost sheep of Israel. In this particular verse, Jesus is warning his disciples about the persecution they will face as they spread the message of the Gospel. The "brother" delivering up another "brother" to death and the "father" delivering up the "child" to death represents the betrayal and persecution that may come from within one's own family. Furthermore, the children rising up against their parents and causing them to be put to death symbolizes the fractured and adversarial relationships that may arise between family members as a result of one's commitment to Christ.

This verse reflects the harsh reality of the disciples' mission, as Jesus prepares them for the opposition and rejection they will face. It also highlights the radical nature of the Gospel and the divisions it may cause, even within the closest of relationships.

One of the key themes in this verse is the cost of discipleship. Jesus is emphasizing the seriousness of following him and the sacrifices that may be required. The disciples are being warned that their commitment to the Gospel may result in severe persecution, even from those closest to them. This challenges the disciples to consider the weight of their decision to follow Jesus and underscores the high price that may come with their calling.

Another theme in this verse is the reality of division. Jesus' words suggest that the message of the Gospel will not always be received with open arms, and that it may cause conflict and separation within families. This division may arise as a result of one's decision to follow Christ, or from the rejection of the Gospel message by other family members. Ultimately, this verse portrays the sobering truth that the Gospel has the power to polarize and separate people, even within the most intimate of relationships.

The context of this verse is significant, as it comes within the larger passage of Jesus sending out his disciples on a mission to proclaim the message of the Gospel. In the preceding verses, Jesus instructs his disciples about the hardships they will face and the provisions they will need as they carry out their mission. This verse serves as a somber warning amidst Jesus' encouragement and preparation of his disciples, reminding them of the potential opposition and persecution they may encounter.

Symbolically, this verse represents the spiritual battle and the potential conflicts that may arise when one chooses to stand for the truth of the Gospel. The betrayal and persecution from family members portrayed in this verse can be interpreted as a reflection of the spiritual warfare and the opposition that may arise from those closest to us when we align ourselves with Christ. Furthermore, the imagery of family members delivering each other up to death symbolizes the gravity of the disciples' mission and the potential cost they may face for their obedience to Christ.

In conclusion, Matthew 10:21 (KJV) serves as a sobering reminder of the sacrifices and conflicts that may accompany a commitment to Christ and the proclamation of the Gospel. It underscores the cost of discipleship and the potential division that may arise within one's own family as a result of following Jesus. This verse challenges believers to consider the weight of their decision to follow Christ and to be prepared for the opposition and persecution that may come. Ultimately, it emphasizes the radical nature of the Gospel and the transformative impact it may have on relationships and society as a whole.