How do we know that Christ's love for the church is eternal?

The eternal nature of Christ's love for the church is affirmed in Scripture through the narrative of the Song of Solomon. In this allegory, Christ expresses being 'overcome' by the gaze of His bride, which symbolizes the depth of love He has for those He has chosen. Jeremiah 31:3 notes that He has loved His people with an everlasting love, signifying that His affection transcends time and circumstances. This love is anchored in God's sovereign choice and is not contingent on human merit; it flows from the desire to redeem a people for Himself. This assurance is further echoed in passages like John 10:28-29, where Christ promises eternal security and love for His sheep, affirming the permanence of this relationship.