Numbers 14:15
Now if thou shalt kill all this people as one man, then the nations which have heard the fame of thee will speak, saying,
Cross-reference
In Numbers 16:21, God again threatens to consume a rebellious congregation, echoing the same judgment scenario as the main verse.
Judges 6:16 uses the same idiom 'as one man' for striking enemies, echoing Moses' 'if you kill this people as one man'.
In Deuteronomy 9:28, Moses recounts this exact argument — nations saying 'the LORD could not bring them in' — as a warning against rebellion.
Deuteronomy 32:27 shows God refraining from destroying Israel because enemies would boast, paralleling the reputational concern of the main verse.
Psalm 115:2 directly asks 'Why should the nations say, "Where is their God?"' — the exact concern Moses raises about God's reputation among the nations.
Isaiah 48:11 declares God acts for His own name's sake, not allowing it to be profaned — directly aligning with Moses' argument that God's reputation is at stake.
In Ezekiel 36:20, this same concern is realized — God's holy name is profaned when nations mock Israel's downfall.
Jeremiah 14:9 pleads for God not to leave Israel because they are called by His name — echoing Moses' intercession that God's presence and reputation are tied to Israel.
Joshua 9:9 has Gibeonites saying they came because of the LORD's fame — a positive example of nations hearing of God's deeds, unlike the feared negative report in the main verse.