How do we know the unity of believers is true?

Ephesians 4:4-6 articulates the basis for the unity among believers, stating that there is one body, one Spirit, one hope, and one Lord. This spiritual unity is not founded on mere agreement in doctrinal points but on the transformative work of the Holy Spirit that draws true believers together in Christ. The unity believers experience is a reflection of their shared identity in Him, making all other distinctions secondary. This profound connection, fostered by the Holy Spirit, reinforces that true fellowship among believers exists not just through physical ties but through their relationship with Christ.