The Bible verse Mark 1:20 in the King James Version (KJV) states, "And straightway he called them: and they left their father Zebedee in the ship with the hired servants, and went after him." This verse is part of the larger passage in the Gospel of Mark that describes the calling of the first disciples by Jesus. In this verse, Jesus calls two fishermen, Simon and Andrew, and they immediately leave their father and their livelihood to follow Jesus.

The theme of obedience and sacrifice is prevalent in this verse. The disciples demonstrate their obedience to Jesus by immediately leaving their father and their work to follow Him. Their actions reflect the level of trust and faith they had in Jesus, and their willingness to sacrifice everything to be his followers.

The context of this verse is important in understanding its significance. At the time, fishing was a crucial industry in the area where Jesus called the disciples. It was their livelihood, and leaving it would have had significant implications for their families. Additionally, leaving their father, Zebedee, in the ship with the hired servants demonstrates the abruptness and decisiveness of their decision to follow Jesus. The fact that they left with hired servants suggests that Zebedee was a successful fisherman, and leaving him and the hired servants would have had a large impact on the family business.

The symbolism in this verse is powerful. The act of leaving their father and their work symbolizes the disciples' willingness to prioritize their relationship with Jesus above all else. It signifies a transformative moment in their lives, a turning point that led them to fully commit to following Jesus and spreading His message. It also symbolizes the cost of discipleship, as the disciples were willing to give up their previous lives in order to follow Jesus.

Furthermore, this verse reflects the idea of self-denial and taking up one's cross to follow Jesus. It echoes Jesus' teaching in other parts of the Gospels that true discipleship requires a willingness to let go of worldly possessions and attachments in order to fully commit to following Him.

From this verse, we can also derive a lesson about the nature of discipleship. It requires an immediate response when called by Jesus, as demonstrated by the disciples' immediate obedience. It also requires a willingness to leave everything behind for the sake of the Gospel, as exemplified by the disciples leaving their father and their work.

In conclusion, Mark 1:20 in the King James Version of the Bible holds deep significance in its themes of obedience, sacrifice, and the cost of discipleship. This verse portrays the disciples' immediate and unwavering commitment to Jesus, and serves as a powerful example of what it means to prioritize one's relationship with God above all else. It is a reminder to Christians to be willing to make sacrifices in order to follow Jesus faithfully and wholeheartedly.