Answer: The moral law is summarily comprehended in the Ten Commandments, which were delivered by the voice of God upon Mount Sinai, and written by him in two tables of stone₁; and are recorded in the twentieth chapter of Exodus. The four first commandments containing our duty to God, and the other six our duty to man.₂

1. Deuteronomy 10:4; Exodus 34:1-4;
2. Matthew 22:37-40

For further study see:

1. Q41. Where is the Moral Law summarily comprehended?