Jeremiah 6:17
“Also I set watchmen over you, saying, Hearken to the sound of the trumpet. But they said, We will not hearken.”
Were they ashamed when they had committed abomination? nay, they were not at all ashamed, neither could they blush: therefore they shall fall among them that fall: at the time that I visit them they shall be cast down, saith the Lord.
Thus saith the Lord, Stand ye in the ways, and see, and ask for the old paths, where is the good way, and walk therein, and ye shall find rest for your souls. But they said, We will not walk therein.
Also I set watchmen over you, saying, Hearken to the sound of the trumpet. But they said, We will not hearken.
Therefore hear, ye nations, and know, O congregation, what is among them.
Hear, O earth: behold, I will bring evil upon this people, even the fruit of their thoughts, because they have not hearkened unto my words, nor to my law, but rejected it.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Cry aloud, spare not, lift up thy voice like a trumpet, and shew my people their transgression, and the house of Jacob their sins.”
“I have set watchmen upon thy walls, O Jerusalem, which shall never hold their peace day nor night: ye that make mention of the Lord, keep not silence,”
“And the Lord hath sent unto you all his servants the prophets, rising early and sending them; but ye have not hearkened, nor inclined your ear to hear.”
“I will stand upon my watch, and set me upon the tower, and will watch to see what he will say unto me, and what I shall answer when I am reproved.”
“But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they should not hear.”