Lamech's polygamy is an early example of sin distorting God's design for marriage, established in Genesis 2 as one man and one woman. As Cain's line continued, so did the pattern of departing from God's ways.
Memory phrase: God's design is always best.
Talk about it: We learned that God designed marriage in Genesis 2. Can you remember what His design was?
Prayer: God, help me always look to You to learn the right way to do things.