Not Because of Your Righteousness

Text: Deuteronomy 9:1-10

Introduction

Picture the scene Moses paints: cities with walls that reach to the sky, a people descended from the Anakites — the very giants that had once terrified an entire generation into forty years of wandering. And into that terrifying picture, Moses inserts a promise: “the Lord your God himself will cross over ahead of you like a devouring fire.” But right after that promise comes a warning nobody was expecting. Don’t misread this victory. Don’t assume it means you earned it. This passage confronts one of the most natural — and most dangerous — assumptions a blessed person can make.

I. A Fire That Goes Before You Into an Impossible Fight (vv. 1-3)

Moses doesn’t minimize what Israel is about to face: “Hear, Israel: You are now about to cross the Jordan to go in and dispossess nations greater and stronger than you, with large cities that have walls up to the sky. The people are strong and tall — Anakites!” This was the exact fear that had paralyzed the previous generation at Kadesh Barnea decades earlier. Moses names it plainly rather than pretending the odds look manageable.

But then comes the turn: “But be assured today that the Lord your God is the one who goes across ahead of you like a devouring fire. He will destroy them; he will subdue them before you. And you will drive them out and annihilate them quickly, as the Lord has promised you.” The size of the enemy never actually determined the outcome — the identity of the one going ahead of them did. Fear responds to the size of the obstacle. Faith responds to the size of the God who goes first.

Application Question: When I size up an obstacle in front of me, am I measuring it against my own strength, or against the God who goes ahead of me into it?

II. Do Not Say, “Because of My Righteousness” (vv. 4-6)

Right after promising victory, Moses issues an unusually direct warning: “After the Lord your God has driven them out before you, do not say to yourself, ‘The Lord has brought me here to take possession of this land because of my righteousness.’ No, it is on account of the wickedness of these nations that the Lord is going to drive them out before you.” He repeats the point almost word for word in verse 6: “It is not because of your righteousness or your integrity that you are going in to take possession of their land… for you are a stiff-necked people.”

This is a strikingly honest self-assessment placed right at the moment of impending victory — the exact moment pride is most likely to take root. Moses anticipates the story Israel will be tempted to tell themselves once they’ve won: that their success proves their own moral superiority. He shuts that story down before it can even form. Victory was coming, but it was never a verdict on Israel’s character.

Application Question: When something in my life succeeds or comes together well, what story do I tell myself about why? Do I quietly credit my own righteousness, or do I remember what Moses insists on here?

III. Remembering Horeb, Not Forgetting Who You’ve Always Been (vv. 7-10)

Moses closes this section by redirecting Israel’s memory to a very specific place: “Remember this and never forget how you aroused the anger of the Lord your God in the wilderness. From the day you left Egypt until you arrived here, you have been rebellious against the Lord.” He then previews the golden calf incident that the rest of the chapter will unpack in detail — the very moment God was ready to destroy the people entirely, “even at Horeb you aroused the Lord’s wrath so that he was angry enough with you to destroy you.”

This is a deliberate counterweight to the temptation named in the previous section. If Israel is tempted to credit their own righteousness for the coming victory, the antidote is an honest memory of their own repeated rebellion — culminating at the very mountain where God gave them his law. Humility here isn’t self-hatred; it’s simply an accurate memory of who they had actually been, held up against who God had continued to be toward them anyway.

Application Question: What specific memory of my own past failure or rebellion keeps me honest when I’m tempted to credit my own righteousness for present blessing?

Conclusion

Israel was about to face an impossible fight and win — not because of their own strength or righteousness, but because of the God who went ahead of them like a devouring fire, and in spite of a long history of rebellion Moses refused to let them forget. May we, too, meet our own impossible obstacles trusting the God who goes first, while remembering honestly enough to never mistake his faithfulness for a verdict on our own righteousness.