The Westminster Larger Catechism

Q.92. In the beginning what did God reveal for humans to obey?

A. In his innocence, it was revealed to Adam and all humanity in him that he must obey the moral law in addition to a special command not to eat from the tree of the knowledge of good and evil.[1]

1 Genesis 1:26-27 dummy text
Genesis 2:17 dummy text
Romans 2:14-15 dummy text
Romans 10:5 dummy text