How do we know Christ's sufferings are sufficient?

The sufficiency of Christ's sufferings is affirmed in the New Testament, particularly in passages like Hebrews 10:14 where it states that by one offering, He has perfected for all time those who are sanctified. This profound assertion indicates that the work of redemption was entirely completed with His sacrificial death. Christ's sufferings were exhaustive, fulfilling all requirements for atonement without residual needs or deficits.

Moreover, the theology of substitution firmly establishes that Jesus, as the just one, suffered for the unjust, thus ensuring that His sacrifice was fully encompassing of human sin, erasing the debt of transgressions through His shed blood. His suffering was unique and unparalleled, proof of His divine mission to reconcile humanity with God. Because of this, there remains no more sacrifice needed for sin, emphasizing the finality and completeness of His redemptive work.

Consequently, the believer's confidence in the sufficiency of Christ's sufferings is rooted in the assurance of His perfect righteousness imputed to them and the promise of eternal redemption. This reality brings consolation, reinforcing the understanding that in Christ, all that is necessary for salvation has been accomplished, allowing His followers to rejoice even in their tribulations, knowing He has satisfied every requirement of divine justice.