they knew
Acts 19:26
Moreover, ye see and hear that, not alone at Ephesus but almost throughout all Asia, this Paul hath persuaded and turned away many people, saying that they are not gods which are made with hands,
Acts 16:20
and brought them to the magistrates, saying, "These men, being Jews, trouble our city exceedingly,
Romans 2:22
Thou that sayest a man should not commit adultery, dost thou commit adultery? Thou that abhorrest idols, dost thou commit sacrilege?
all
1 Kings 18:26
And they took the bullock which was given them, and they dressed it, and called on the name of Baal from morning even until noon, saying, "O Baal, hear us!" But there was no voice, nor any that answered. And they leaped upon the altar which was made.
Matthew 6:7
But when ye pray, use not vain repetitions as the heathen do, for they think that they shall be heard for their much speaking.
Great
Acts 19:28
And when they heard these things, they were full of wrath and cried out, saying, "Great is Diana of the Ephesians!"
Revelation 13:4
And they worshiped the dragon which gave power unto the beast, and they worshiped the beast, saying, "Who is like unto the beast? Who is able to make war with him?"