I agree that Christ was sinless and carried the penalty of sin for us. But His baptism was not agreed to until He told John "To fulfill all righteousness". This truth is worth thinking about. What does it mean? If His baptism paid for our sin, the cross would have been unneeded. So how does baptism fulfill all righteousness. I've listened to many sermons and I don't understand it. Except for this thought: Our righteousness is given in the waters of our Baptism. Is Christ telling us to be baptized for salvation, the means by which we are connected to the cross of Christ? 5 Jesus replied, “Let it be so now; it is proper for us to do this to fulfill all righteousness.” Then John consented. Matt 3:16 As soon as (your name) was baptized, (you) went up out of the water. At that moment heaven was opened (for you), and (you) saw the Spirit of God descending like a dove and alighting on (you). 17 And a voice from heaven said, “This is my Son(/daughter), whom I love; with him I am well pleased.”