Westminster Shorter Catechism – Lord’s Day 24
Q & A 40
Q What did God at first reveal to man for the rule of his obedience?
A The rule which God at first revealed to man for his obedience, was the moral law.*1
Q & A 41
Q Wherein is the moral law summarily comprehended?
A The moral law is summarily comprehended in the ten commandments.*2
*1 Romans 2:14-15; Romans 10:5.
*2 Deuteronomy 4:13; Matthew 19:17-19.