This lesson from Joshua 7–8, titled “Secret Sins,” explores Israel’s surprising defeat at Ai following their great victory at Jericho. The root cause was Achan’s hidden sin—taking forbidden items God had devoted to destruction. Because Israel failed to seek God’s guidance, they underestimated the enemy and overestimated their own strength. Achan’s private rebellion affected the entire nation, revealing that personal sin has communal consequences. God exposed the sin through a public process, offering time for confession, but Achan delayed until judgment was unavoidable. After dealing with the sin, Israel experienced restoration and victory. The lesson warns against spiritual complacency and challenges believers to pursue humility, confession, and obedience to avoid future defeat.
Secret Sins
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