15 Make sure that no one misses out on God’s grace. Make sure that no root of bitterness grows up that might cause trouble and pollute many people. 16 Make sure that no one becomes sexually immoral or ungodly like Esau. He sold his inheritance as the oldest son for one meal. 17 You know that afterward, when he wanted to inherit the blessing, he was rejected because he couldn’t find a way to change his heart and life, though he looked for it with tears.