How do we know the doctrine of Christ's relationship with the church is true?

The doctrine of Christ's relationship with the church is supported by various biblical texts that reveal the nature of this relationship. For instance, Ephesians 5:25-27 presents Christ as the bridegroom who loves, cleanses, and sanctifies the church, portraying the depth of His commitment and care. Additionally, the Song of Solomon depicts the intimate longing and devotion between the bride and her beloved, further echoing the church’s desire for Christ. The consistent scriptural portrayal of Christ's sacrificial love and the church’s response of faith underscore the truth of this sacred relationship, affirming that it is both a mystery and a reality to be lived out in faith.