The rest of the human race, all those who had not been killed by these plagues, did not turn away from what they themselves had made. They did not stop worshiping demons, nor the idols of gold, silver, bronze, stone, and wood, which cannot see, hear, or walk. 1
References for Revelation 9:20
9.20 Ps 115.4-7; 135.15-17; Dn 5.23.