The Two Great Commandments referenced by Jesus Christ (Matthew 22:34-40; Mark 12:28-34; Luke 10:25-28) are a summary of the Ten Commandments that were written in stone by the finger of God on Mount Sinai. Furthermore, Christ is quoting Deuteronomy 6:5 and Leviticus 19:18.
“You shall love the Lord your God with all your heart and with all your soul and with all your mind” is a summary of Commandments 1 to 4.
“You shall love your neighbor as yourself” is a summary of Commandments 5 to 10 (see Romans 13:8-10; Matthew 19:16-22).
The Ten Commandments were known and obeyed by faithful people before the law was given at Sinai. Later incorporated into the new covenant, they constitute the basic moral code for humanity (as further explained by Jesus) and are obeyed to demonstrate the believer’s love for God and his fellow man.
