Romans 5:10
For if, when we were enemies, we were reconciled to God through the death of his Son, much more, having been reconciled, shall we be saved by his life.
2 Corinthians 5:18-21
All this is from God, who through Christ reconciled us to himself and gave us the ministry of reconciliation;
Ephesians 2:16
and might reconcile them both to God in one body through the cross, by which he put to death the hostility.
Colossians 1:21-22
And although you were once alienated and hostile in mind, doing evil deeds,
Hebrews 2:17
Therefore he had to be made like his brethren in every respect, so that he might become a merciful and faithful high priest in the service of God, to make atonement for the sins of the people.
Hebrews 9:18-23
This is why even the first covenant was not ratified without blood.