We know Christ's redemption is sufficient because He declared 'It is finished,' indicating that His sacrifice fully accomplished the payment for our sins.
Christ's redemption is sufficient because He accomplished it completely at the cross, a truth affirmed in scripture. The phrase 'It is finished' encapsulates the completion of His work of atonement. Not only did He pay the penalty for sin, but He did so in a manner that satisfied God's justice completely. In Hebrews 9:12, it states that Christ entered into the holy place, having obtained eternal redemption for us. The efficacy of Christ's blood assures believers that all whom He redeems shall ultimately be saved. This certainty is rooted in the character of God, who assures us through His word that He will not lose any for whom Christ died.
Scripture References:
Hebrews 9:12, John 19:30, Romans 3:24, Acts 13:39, Hebrews 9:14-15, Romans 5:19, Romans 8:1, 1 Peter 1:3-5, Ephesians 1:11-14, John 1:29
Commentary