Isaiah 10:15
Shall the axe boast itself against him that heweth therewith? or shall the saw magnify itself against him that shaketh it? as if the rod should shake itself against them that lift it up, or as if the staff should lift up itself, as if it were no wood.
Cross-reference
In Isaiah 10:5, Assyria is called the rod of God's anger—the very image verse 15 uses to argue the tool cannot boast.
In Isaiah 54:16, God creates the smith and the waster, affirming He is the ultimate source of all instruments of destruction.
In Isaiah 45:9, clay questioning the potter parallels the axe boasting against the hewer—both stress the creature's folly.
In Isaiah 30:31, the Assyrian is beaten down by the Lord's voice, echoing the rod imagery from the main verse.
In Isaiah 37:26, God says He formed and brought Assyria's conquests long ago, directly reinforcing the axe's subordination.
In Romans 9:20, Paul asks if the clay can say to the potter 'Why did you make me like this?'—the same image of a created thing questioning its maker.
1 Corinthians 1:29 states that no flesh should glory in God's presence—directly applying the principle of the axe not boasting.
Judges 3:12 describes God strengthening Eglon as an instrument against Israel — the same pattern of God using a foreign power as a tool of judgment, just as Assyria is used.
Jeremiah 46:22 uses 'axes' and 'hewers of wood', the same tool imagery—Egypt is cut down as God's instrument, echoing the axe metaphor.
In 2 Chronicles 32:17, Sennacherib's letters rail against God, illustrating the exact boasting the axe is warned against.
In 2 Kings 19:25, God declares He formed and brought about Assyria's conquests, reinforcing the axe's subservience to the user.
In 2 Kings 19:22, this same rhetorical question confronts Sennacherib's blasphemy against the Holy One of Israel, directly mirroring the axe's boast.
2 Kings 18:35 records the Rabshakeh's boast that no god can deliver from Assyria — a real‑time example of the instrument (Assyria) arrogantly boasting against God, exactly the scenario Isaiah condemns.
1 Kings 20:11 contains a proverb against boasting before victory — directly parallel to the axe not boasting against the one who wields it, both warn against premature pride.
In Jeremiah 51:20-23, God calls Babylon His war club to shatter nations—the same imagery of a tool used by God, but here the tool boasts against its wielder.
Romans 9:21 uses the potter-clay analogy, echoing the same theme of the Creator's absolute authority over His creation — the instrument cannot challenge the user.
Ezekiel 30:24 shows God putting His sword in Babylon's hand—another instance of God using a nation as an instrument, like the axe.