Q40. What did God reveal to man as the rule of his obedience?
The rule that God first revealed to man for his obedience is the moral law, which is summarized in the Ten Commandments.
Scripture Proofs — King James Version
1
Deuteronomy 10:4
“And he wrote on the tables, according to the first writing, the ten commandments, which the LORD spake unto you in the mount out of the midst of the fire in the day of the assembly: and the LORD gave them unto me.”
Matthew 19:17
“And he said unto him, Why callest thou me good? there is none good but one, that is, God: but if thou wilt enter into life, keep the commandments.”