Those who believe that Jesus could have sinned (the theological term peccability) and those who believe that Jesus couldn’t ever sin (the theological term impeccability) can agree on one thing: Jesus never sinned (II Cor 5:21; Heb 7:26; I John 3:5).
However, that is about all the agreement these two theological positions can agree on.
Those who believe Jesus could have sinned claim that because He was tempted, He could sin. They also wonder whether Jesus could truly sympathize with His people if His temptations couldn’t result in sin (Heb 4:15).
This view that Jesus could sin is erroneous for the following 4 reasons:
First, the union of Christ’s human and divine nature prevents His ability to sin. If Jesus sinned, it would be more than a man sinning; it would be God sinning. Jesus was the God-man, not the man-God. The two natures of Christ are never in conflict or competition with each other (Heb 1:2-3; 13:8). His nature never changes.
Second, if Christ could sin, there is the possibility that His atoning work on the cross would have only been a death and not salvific. Then what? If the mission of Jesus was always in jeopardy, the Lamb’s Book of Life is pointless and assurance of salvation would have been in question. What would have become of the O.T. saints that exercised their faith in Christ? They would be waiting around in the “afterlife” hoping that Jesus didn’t sin.
Third, Christ was conceived by the Holy Spirit (Matt 1:18-20; Luke 1:35). If this is so, the Holy Spirit would be responsible for His sin nature. Christ was born holy and never was un-holy. Nor was it possible for him to be un-holy.
Fourth, Christ never had the desire to sin. His desire was to do the will of the Father (John 4:34). And if He had no desire to sin, He would never sin, because His divine nature would not allow i