Dave Rich returns for Lesson 25 in the Christian Ethics and the Old Testament series. After establishing Scripture's authority through inspiration last session, this lesson works through the next essential questions: Is the Bible clear enough, necessary enough, and sufficient enough to serve as the foundation for Christian ethics?

Rich opens with the doctrine of the clarity of Scripture—what theologians call perspicuity—grounding it in passages from Deuteronomy, Psalms, and the New Testament epistles. The argument is straightforward: if the Word was given to ordinary Israelites, to children, to simple people across all kinds of circumstances, it is clear enough for Christians to use it for ethics. But Rich is careful to walk through honest qualifications. The unregenerate cannot fully understand Scripture. Clarity grows through study and obedience. No one comprehends all of it perfectly.

From clarity, the lesson moves to necessity. Could a believer do ethics without the Bible? Rich uses a thought experiment to show why the answer is no—conscience and general revelation together are simply not enough. The Bible is the only transcript of God's words and therefore the only source of absolute ethical norms.

The final section addresses sufficiency. Drawing on 2 Timothy 3 and Psalm 119, Rich argues that Scripture contains everything God requires us to know to live rightly—not as a ceiling on learning, but as a complete and binding standard. Nothing may bind the conscience that is not found there. Nothing is sin that Scripture does not call sin.

This lesson lays the groundwork for everything that follows in the series.

What makes the Bible the right place to go for Christian ethics? Before addressing how source material can be misused in moral reasoning, Dave Rich steps back to answer a more foundational question: why is Scripture authoritative in the first place?

In Lesson 24 of the Christian Ethics and the Old Testament series, Rich grounds the authority of Scripture in the doctrine of verbal inspiration — the biblical teaching that the words of the original autographs are God-breathed. Working through 2 Timothy 3:13–17, 2 Peter 1:16–21, and John 10:34–36, he demonstrates that Scripture claims for itself the status of God's own words. That claim, he argues, is what makes it binding.

Rich also examines what inspiration does and doesn't mean — distinguishing the biblical concept from the common English sense of the word — and surveys how Jesus himself appealed to single words and even verb tenses to settle disputes, showing that verbal inspiration is the only view the Bible's own use of itself supports.

The lesson closes with a brief look at the doctrine of preparation: how God's sovereignty over every detail of an author's life and background ensured that what they wrote was exactly what He intended — fully human, fully divine, and fully authoritative.

For anyone asking why the Bible should govern how we live, this lesson builds the foundation.

Christians are called to obey God's commands — not merely to know them. But what happens when Christian ethics slides into error, minimizing the obligation to obey? In Lesson 23, Dave Rich continues the survey of antinomian ethical ditches, finishing Christian pragmatism before turning to free grace theology and a topic he calls "Sovereign Constraints and the Death of Choice."

Christian pragmatism reduces ethics to results — the end justifies the means. Rich traces this error from secular teleological systems (utilitarianism, situationism, Ayn Rand's egoism) into the church itself, where seeker-sensitive ministry and personal excuse-making share the same root: a goal pursued without regard for what God actually commands. Uzzah, Saul, and Pilate each illustrate the point. Good intentions and desired outcomes never override obedience.

Free grace theology then comes under examination. Rich explains how the non-lordship position severs repentance from saving faith, and how in practice this licenses the false convert to remain in unrepentant sin while dismissing biblical confrontation as legalism.

The final and most searching topic is sovereign constraints — the tendency to treat addictions, disorders, and psychological conditions as though they override the Christian's ability to obey God. Rich draws a firm line: struggles shaped by repeated sinful choices are moral problems requiring repentance, not diseases requiring only treatment. No constraint, however powerful, is sovereign. God is.

For every Christian engaged in the hard work of sanctification, this lesson is a reminder: you are not helpless, and you are not hopeless.