The hand of the children of Israel prevailed more and more against Jabin the king of Canaan, until they had destroyed Jabin king of Canaan.
This is certainly the most important lesson this chapter teaches. However, this story also warns us about putting conditions on our obedience to God. If we do this, God may use someone else, and we will not achieve all we could for His glory. God honored Barak, but he has forever remained in Deborah’s shadow. He defeated the Canaanites, but he failed to defeat their leader.