How do we know that Christ's sacrifice is a propitiation for our sins?

In 1 John 2:2, the text explicitly states that Christ is the propitiation for our sins. The term 'propitiation' signifies that Jesus fully satisfied God's wrath against sin on our behalf. This critical theological concept underscores that through His sacrifice, He not only expiated our guilt but also turned away God's righteous anger. This act is rooted in both the love and justice of God, affirming that Christ's death was a necessary atonement to reconcile us to the Father. It assures us that all the legal consequences of our sin have been dealt with through His actions, providing a solid foundation for our faith.