3:25 Propitiation = fully satisfying sacrifice.

Made sin for us (II Corinthians 5:21).

“Faith in His blood” is why you must recognize your sin to be saved

God forbore punishing you for your sins, or else no one would be saved (II Peter 3:9).

All your sins are past, even your future ones (Romans 4:7-8), because you are baptized into Jesus’ death (Romans 6:3-6).

3:26 4 times God’s righteousness is mentioned (3:21, 22, 25, 26).

Jesus called upon God (II Samuel 22:7), so can you (Romans 10:13).