Few verses in the Bible have caused more anxiety than Mark 3:29, where Jesus declares that there is one sin that can never be forgiven. Just what is this "unpardonable sin?" Who commits it? Is it a sin that can be committed today? What was Jesus trying to teach here? These and other questions can be answered as we look carefully at the historical context of this event from the life of Jesus, God’s Sovereign Son.What is really at issue in this passage is the opposition of the religious elite. With the selection of 12 disciples it has become apparent that this Jesus is not satisfied to be a traveling holy man. He intends to start a movement, and His recruitment of leaders has already begun. Those holding religious power see this as competition and move quickly to undermine His message and power. “He is in league with Satan himself” is their declaration. But Jesus turns the tables and boldly asserts that to oppose Him is to oppose Heaven itself.