The Unshakable Ground Beneath Joshua's Feet

In 1881, B.B. Warfield arrived at Princeton Seminary carrying a conviction that would anchor his entire career: every word of Scripture is God-breathed, wholly without error, and therefore utterly reliable. He understood what Joshua understood — that divine commands rest on divine truthfulness.

Consider what Joshua faced at the Jordan River. Moses was dead. The wilderness generation had perished. Before him stretched fortified Canaanite cities and armies equipped with iron chariots. Every human calculation pointed toward defeat. Yet God spoke with absolute authority: "Have I not commanded you? Be strong and courageous. Do not be frightened, and do not be dismayed, for the LORD your God is with you wherever you go" (Joshua 1:9, ESV).

Notice the logic of the text. The command to courage is not grounded in Joshua's military skill or Israel's numerical strength. It is grounded in the character of the God who speaks. "Have I not commanded you?" — as if Yahweh were saying, "My word settles the matter." Joshua's courage was not psychological self-talk. It was the rational response to an inerrant promise from an infallible God.

This is precisely why biblical inerrancy matters practically, not merely doctrinally. If Scripture contains errors, then every promise becomes negotiable, and courage becomes mere optimism. But if God cannot lie and His Word cannot fail, then the believer who stands on Joshua 1:9 stands on ground that has never once given way. That is not blind bravery. That is warranted, Word-anchored courage — the only kind that holds when the river rises.