Adam and Eve have two sons — Cain, who was a farmer, and Abel, who kept sheep. Both brought offerings to God. God was pleased with Abel's offering but not with Cain's. Cain became very angry and jealous. God warned Cain to choose right and not let sin win, but Cain did not listen. He hurt his brother Abel so badly that Abel died. God asked Cain where his brother was, and Cain lied. God punished Cain and sent him away. But even though Cain had done something terrible, God still gave him a mark to keep him safe. Later, Adam and Eve had another son named Seth, and people began to call on God again.
God wants us to control our angry feelings instead of letting them lead us to hurt others.
This is a challenging chapter — it introduces murder into Scripture. For young children, focus on: (1) the importance of bringing our best to God, (2) choosing not to let jealousy and anger win, (3) God's grief when we hurt others, and (4) God's continued care even for those who have done wrong. Do not dramatize violence. The mark God places on Cain is a sign of mercy — even amid judgment, God does not abandon His creation. Use verse 7 as the key teaching moment: God gave Cain a warning and a choice before sin took over. This is a powerful lesson about self-control and the danger of unresolved anger.
When you feel jealous or angry, talk to God before you act. God will help you choose what is right — and choosing right always leads somewhere better.