Blessings can quietly lead to pride or forgetfulness if we're not careful. What areas of our lives have we stopped thanking God for, simply because they've become familiar? God isn't opposed to wealth or blessing — but He calls us to be faithful stewards of what we're given, using it for His glory rather than letting it become a source of self-reliance or complacency.
This passage holds together the tension between God's sovereignty and our responsibility — He is the one who brings the enemy down, yet we are called to drive them out. Both judgment and promise unfold according to God's appointed time, not our own timetable. And even after the victory, an enemy remains within us throughout our entire lives, requiring ongoing vigilance and dependence on Him.
Grace doesn't do away with the law, it establishes it, showing us how seriously God takes both His justice and His mercy. That's why we hold fast to the grace and authority of God's Word: it's the standard we return to again and again. And because sin can take root and grow quickly when we're not paying attention, guarding our hearts isn't optional, it's how we stay anchored to grace instead of drifting from it.