Isaiah 41:7
So the carpenter encouraged the goldsmith, and he that smootheth with the hammer him that smote the anvil, saying, It is ready for the sodering: and he fastened it with nails, that it should not be moved.
Cross-reference
Isaiah 40:19 describes a craftsman casting an idol and overlaying it with gold — directly parallel to the craftsman and goldsmith here.
Isaiah 40:20 describes selecting wood and hiring a craftsman to make an idol that won't fall — directly parallel to nailing to prevent tottering.
Isaiah 44:12-15 details a craftsman using tools to make an idol — a fuller picture of the idol-making condemned here.
Isaiah 46:6 describes hiring a goldsmith to make a god from gold and silver — parallel to the goldsmith working here.
Isaiah 46:7 shows the idol set in place, unable to move or save — echoing the nailed-down idol here that cannot totter but is lifeless.
Isaiah 37:19 declares idols are 'the work of men's hands' — directly reinforcing the craftsmanship scene in Isaiah 41:7.
Isaiah 46:1 shows idols being carried as burdens — complementing the making of idols in Isaiah 41:7, both highlighting their futility.
Micah says 'my gods that I made' in Judges 18:24 — directly affirming the human fabrication of idols depicted in Isaiah 41:7.
Jeremiah 10:3-5 mentions fastening an idol with hammer and nails so it won't totter — almost a direct citation of the imagery here.
Jeremiah 10:9 describes silver and gold worked by craftsmen and goldsmiths — parallel to the materials and workers here.
1 Samuel 5:3 has the idol Dagon falling before the ark — contrasting with Isaiah 41:7's nail to keep idols from toppling, showing God's power over man-made gods.
Revelation 9:20 depicts worship of lifeless idols, echoing Isaiah's scene of craftsmen reinforcing a statue that cannot move.