How do we know that Christ died for the Church of God?

The assurance that Christ died for the Church is grounded in scriptural declarations. Acts 20:28 states that God purchased the church with His own blood, implying a specific atonement for a particular group—the elect. This emphasizes God's sovereignty in salvation. Moreover, John 6:39 teaches that all given to Christ by the Father will not be lost, showcasing the certainty of His redemptive work for those He chose. This refutes the notion that His death could be in vain, affirming that He accomplished the salvation of all who trust in Him.