The people who say you must know what the Bible really teaches to obey God are misleading people imo.*shrugs*
What is the pupose of all the NT teachings, then? You are implying that they aren't relevant, if one follows that one law
I believe the purpose of scripture (both of them) is to be joined with Jesus. A person can obey God without being joined.
A person can be good without being joined.
I am a woman. Some women are very happy to just raise a family and never pursue a career, Some aren't.
I choose to pursue a career knowing God. To know makes me happy. Can a person be happy but not do that? Of course!
For me, to know is what the Bible is for.
Are you aware of Romans 2:14?
Indeed, when Gentiles, who do not have the law, do by nature things required by the law, they are a law for themselves, even though they do not have the law.