That the Son was in the likeness of sinful flesh
means Jesus Christ was fully human, but
he never sinned; or
death did not have its final say with him.
Paul is saying that while Jesus shared fully in our humanity, he did not sin. For two reasons we can see that this is Paul’s meaning. First, the immediate context of this section implies a strong connection between being in the flesh and sinning. Paul writes in Romans 7:5 that the passions of the flesh cause sin, and in Romans 8:8 he says that no one in the flesh can please God. Still, Jesus entered our flesh to save but without sinning, so Paul walks this fine line by stating that the Son came in the likeness
of the flesh. This allows Paul to affirm that Jesus took on our flesh, yet without implying that he sinned. Second, we know from elsewhere that when Paul writes about Jesus’ salvific work, he carefully notes that Jesus never sinned (2 Corinthians 5:21). Likely, he does the same here.
Some contend that when Paul refers to Jesus’ being in the likeness of sinful flesh,
he has in mind that Jesus entered our humanity, but that death could not overcome him. The notion here is that we should take the term behind likeness
to refer to something like form.
In other words, Jesus entered the form of our humanity, which is to enter the epoch of Adam. Still, there is enough nuance with the term likeness
understood as form,
to leave open that there is also something different about the Son. That is, while the Son entered our humanity, he was different in the sense that he initiated a new epoch because death could not hold him.
This view is fine as far as it goes, except there is an important connection between Jesus’ sinlessness and the fact that death could not hold him. For it is because Jesus was sinless that he pleased the Father, and that he could conquer death by his death. Thus, that Jesus is different in the sense that death could not hold him is related to the fact that he was sinless. Further, if what Paul wanted to note was that Jesus entered fully into humanity but was different in that death could not hold him, there is no reason for him to characterize the flesh as sinful.
Rather, he would likely have said the Son was in the likeness of the flesh.
Thus, when Paul says that the Son was in the likeness of sinful flesh,
he likely has in mind that Jesus was fully human, yet without sin.
Interpretation 1:
Jesus Christ was fully human, but he never sinned.
Summary:
Paul is explaining how God accomplished our salvation by sending his Son into the flesh to save humanity. Paul walks a fine line because he wants his audience to understand that Jesus was fully human but at the same time never sinned. Thus, he balances these truths by explaining Jesus was in the likeness of sinful flesh.
Our Saviour is the perfect Saviour for two important reasons. First, he is like us in every way. This means he understands our struggles, frustrations, weaknesses, and temptations. Yet, secondly, he was without sin. That Jesus never sinned means that God accepts his sacrifice for sin.
Advocates:
John MacArthur
Douglas Moo
Leon Morris
Thomas Schreiner
Frank Thielman
Minor differences:
Our authors agree that Paul says Jesus was in the likeness of sinful flesh
because he wants to affirm Jesus’ full humanity without giving the wrong impression that Jesus sinned.
Douglas Moo gets at Paul’s intent by explaining that Paul wanted the Romans to understand that Jesus fully entered the realm of humanity and thus exposed himself to the power of sin.1 Of course, while all humans other than Jesus who are exposed to the power of sin actually do in fact sin, Jesus was different on this score because he did not sin and so was never guilty of sin. Thus, Paul walks this line by including the term likeness
to clarify that while Jesus was fully flesh, he did not sin.2
Frank Thielman understands Paul’s use of the term likeness
similarly. He explains that while it is important for his audience to understand that the Christ became human, he does not want them to wrongfully think that Jesus sinned. So, as he does in other letters, he points out that while Jesus was in the flesh, he was sinless. This he does by saying, not that the Son was sent in sinful flesh, but that he was in the likeness of sinful flesh.
Arguments
Possible weaknesses
Interpretation 2:
Jesus Christ was fully human, but death did not have its final say with him.
Summary:
Paul wants his audience to understand two important facts. First, the Son was fully human, which means he entered the old epoch of Adam, subjecting himself to the whole human experience, including frailty of body and temptation to sin. Still, and in the second place, death was not the final word for Jesus, thus, he entered the old epoch but also established the new epoch.
Advocates:
James Dunn
Minor differences:
According to James Dunn, Paul wants his audience to notice that God’s Son shared fully in the human condition, and yet there was something unique in that he did not succumb to the power of death.
Dunn specifically denies that by saying Jesus was in the likeness of sinful flesh,
Paul articulates Jesus’ sinlessness. Of course, Dunn believes that Jesus was sinless but suggests this is not Paul’s point when he writes that Jesus was in the likeness of sinful flesh.
Rather, he contends, Paul’s point is that while Jesus entered the epoch of Adam, he did not succumb to death but established a new epoch.8
Arguments
Possible weaknesses
3 For God has done what the law, weakened by the flesh, could not do. By sending his own Son in the likeness of sinful flesh and for sin, he condemned sin in the flesh,