Romans 3:25; 1 John 2:2; 1 John 4:10

Romans 3:25

25 God presented Christ as a sacrifice of atonement, through the shedding of his blood—to be received by faith. He did this to demonstrate his righteousness, because in his forbearance he had left the sins committed beforehand unpunished—

1 John 2:2

2 He is the atoning sacrifice for our sins, and not only for ours but also for the sins of the whole world.

1 John 4:10

10 This is love: not that we loved God, but that he loved us and sent his Son as an atoning sacrifice for our sins.