This essay argues that truth-telling, while generally a moral duty, is not absolute in all situations. Using biblical examples like Rahab and the Hebrew midwives, the author contends that lying to protect life or resist evil can be morally justified and even commended by God. Critics who insist on always telling the truth, even to evildoers, misunderstand the ninth commandment and promote a self-righteous moralism that treats personal purity as more important than God’s will. True obedience, the essay insists, is rooted in serving God's purposes—not abstract ideals of virtue.