The verse 1 John 4:6 from the King James Version of the Bible reads, "We are of God: he that knoweth God heareth us; he that is not of God heareth not us. Hereby know we the spirit of truth, and the spirit of error."

This verse comes from the first epistle of John, which is a letter written by the Apostle John to a group of early Christians. In this particular verse, John is emphasizing the importance of discerning the spirit of truth from the spirit of error. He underscores the idea that those who are of God will recognize and heed the message of truth from God, while those who are not of God will not be able to discern or accept it.

The theme of discernment is central to this verse. The ability to distinguish between what is of God and what is not is crucial for believers in order to remain faithful to God's word and avoid being led astray by false teachings. John is urging his readers to be vigilant in testing the spirits and to rely on the guidance of the Holy Spirit to differentiate between truth and error.

The context of this verse is important in understanding its significance. In the preceding verses, John warns against false prophets and false teachers who seek to deceive believers by spreading lies and distortions of the truth. He urges his readers to test the spirits to see whether they are from God (1 John 4:1). In this context, the verse 1 John 4:6 serves as a reaffirmation of the need for discernment in identifying the spirit of truth and the spirit of error.

The symbolism in this verse lies in the contrast between light and darkness, truth and falsehood. The idea of knowing God and hearing His truth is associated with being of God, while the inability to discern God's truth is linked with being not of God. This dichotomy reflects the ongoing spiritual battle between good and evil, between the kingdom of God and the dominion of darkness.

Furthermore, the verse also emphasizes the importance of unity among believers. John's statement "he that knoweth God heareth us" suggests that there is a shared understanding and recognition of the truth among those who belong to God. This highlights the communal aspect of faith and the need for believers to support and edify one another in discerning and upholding the truth.

Overall, 1 John 4:6 carries a powerful message about the necessity of discernment, the contrast between truth and error, and the importance of unity among believers. It serves as a reminder for Christians to be vigilant in testing the spirits and to rely on the guidance of the Holy Spirit to distinguish between what is of God and what is not. The verse underscores the spiritual warfare that believers face and the need to stand firm in the truth of God's word.