Romans 4:1-8 - Isn't it always good to do good? Not when there's ulterior motives. How can we make sure that our good works aren't done just to earn favor or make up for bad choices or even have some say in our eternal salvation? "The righteous shall live by faith" is the phrase that drives all of Christianity. If we are saved, 100%, by God's grace through faith then how can we live out this by 100% faith with nothing else added?