1) The document discusses the purpose and functions of God's law according to the Bible, including teaching people to fear God, testifying against sin, and making people prosperous if obeyed.
2) While keeping God's law, some people like Joshua and Hezekiah prospered, others like John the Baptist faced struggles including imprisonment and death for their faith.
3) Jesus is presented as the ideal example of living according to God's law, obeying it perfectly his whole life on Earth.