As God continued talking to the priests in Malachi 2:1-9, he rebuked them for failing in their two duties: offering sacrifices and teaching. If they refused to change their ways, God threatened them with extinction. Although they lasted another 500 years, they eventually disappeared and became obsolete, once the perfect high priest offered the perfect sacrifice.
At the Red Sea, the LORD triumphed gloriously, made himself known, and anticipated his greater triumph in the cross and resurrection.
Having described the experience of Jewish Christians as coming into their full inheritance, Paul described the conversion of Gentiles (non-Jews) in Galatians 4:8-20. Simply...
The first psalm describes the two ways to live and their results.