Can believers claim the promises given to Israel by invoking the name of Jesus Christ?

Are Christians Under the Law of Moses? And what about keeping the Sabbath?

How should Christians apply promises that God gave to the Israelites?

Do the dietary laws in Leviticus 11 still apply to believers today?

Why is it that people lived for so long in the Old Testament?

Why were concubines allowed in Old Testament times?

Why do some Christians decide not to take Genesis literally?

At what point in history did the Sabbath change from Saturday to Sunday?