Mark 16:17 from the King James Version (KJV) of the Bible reads, "And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues."

This verse is part of the conclusion of the Gospel of Mark, where Jesus gives his final instructions to his disciples before ascending into heaven. The verse is a promise to those who believe in Jesus and follow him faithfully. It outlines the supernatural signs and abilities that will accompany those who have true faith.

The first sign mentioned in the verse is the ability to cast out devils. This reflects the authority that believers have been given by Jesus to overcome evil and spiritual darkness. In the book of Acts, we see this demonstrated through the apostles as they cast out demons in the name of Jesus (Acts 5:16, 8:7, 16:18). This ability to confront and remove spiritual oppression is a manifestation of the power of God at work in the lives of believers.

The second sign mentioned in the verse is the ability to speak with new tongues. This refers to the gift of speaking in tongues, which is a spiritual language given by the Holy Spirit. This gift is described in more detail in 1 Corinthians 12-14, where it is presented as a way for believers to communicate with God on a deeper, supernatural level. Speaking in tongues is a spiritual gift that empowers believers to pray and worship in a way that transcends human language, and it is a manifestation of the Holy Spirit's presence and power in the believer's life.

It is important to note that these signs are not meant to be seen as the ultimate goal of faith, but rather as a byproduct of genuine belief in Jesus. They are evidence of the supernatural power of God working through those who have been transformed by their faith in Christ.

The context of this verse is important to understand its significance. In the preceding verses, Jesus commissions his disciples to go into all the world and preach the gospel to every creature (Mark 16:15). He promises that those who believe and are baptized will be saved, but he also warns of the consequences for those who do not believe (Mark 16:16). The signs mentioned in verse 17 are meant to accompany the preaching of the gospel as a testimony to its truth and power.

This verse also echoes similar promises made by Jesus in other parts of the Gospels. In the Gospel of John, Jesus tells his disciples that they will do even greater works than he did because he is going to the Father (John 14:12). This emphasizes the idea that the supernatural signs mentioned in Mark 16:17 are not just reserved for the 12 apostles, but for all those who believe in Jesus and follow him.

The themes present in this verse include the power and authority of believers in Jesus, the supernatural manifestations of the Holy Spirit, and the commission to spread the gospel to all nations. It also emphasizes the importance of genuine faith and belief in Christ as the foundation for experiencing these supernatural signs.

In terms of symbolism, the ability to cast out devils and speak with new tongues represents the spiritual warfare and the supernatural empowerment that believers receive through their faith. The casting out of devils symbolizes the victory over evil and darkness, while the speaking in new tongues symbolizes the intimate connection and communication with God through the Holy Spirit.

In conclusion, Mark 16:17 from the King James Version of the Bible is a powerful and significant verse that promises supernatural signs and abilities to those who believe in Jesus. It is a testimony to the power and authority of believers in Christ, the presence and work of the Holy Spirit, and the commission to spread the gospel to all nations. It is a reminder that genuine faith in Jesus brings about supernatural manifestations of God's power and presence in the lives of believers.