The Burning Bush. Exodus 3-21. The Red Sea Crossing. Exodus 14. Two Tablets, the Ten Commandments. Exodus 20. The Ten Commandments concern matters of fundamental importance in Judaism and Christianity: the greatest obligation (to worship only God), the greatest injury to a person (murder), the greatest injury to family bonds (adultery), the greatest injury to commerce and law (bearing false witness), the greatest inter-generational obligation (honour to parents), the greatest