How do we know that Christ's sacrifice is sufficient for sin?

The sufficiency of Christ's sacrifice is rooted in the understanding of God's justice and holiness. According to the Scriptures, sin incurs a debt that must be paid, and the ultimate payment is death. Jesus, being both fully God and fully man, offered Himself as the perfect sacrifice, bearing the wrath of God on our behalf. His resurrection from the dead serves as the divine assurance that the payment for sin has been accepted. As stated in Hebrews 10:12, 'But this man, after he had offered one sacrifice for sins forever, sat down on the right hand of God,' indicating the completion of His redemptive work. Thus, believers can have confidence that Christ's sacrifice is adequate for all their sins, past, present, and future.