How do we know Jesus' sacrifice is sufficient for sin?
Answered in 2 sources
The sufficiency of Jesus' sacrifice for sin is affirmed by Scripture, which teaches that He bore the sins of His people and satisfied God's justice.
The doctrine of Christ's atonement rests heavily on Scriptures such as Hebrews 9:26, which asserts that Jesus appeared once to put away sin by the sacrifice of Himself. The nature of His sacrifice was substitutionary; He bore the sins of the elect in His body on the cross, taking the divine wrath that was due to them. Christ's atonement is not a mere attempt but a complete and effective removal of sin, ensuring that all for whom He died are acquitted before God's holy justice. The permanence of His sacrifice is seen in passages like Psalm 103 that assures us that God removes our transgressions far from us.
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