When the Israelites went into idolatry, we find that they worshipped their new gods on the tops of hills and under trees. In consequence of this, the expression the “hills,” the “high hills,” came often to mean “false gods.” Thus Jeremiah says, in chap. 3:23:
“Truly in vain is salvation hoped for from the hills, and from the multitude of mountains: truly in the Lord our God is the salvation of Israel.”
The marginal reading of Psalm 121:1 is explained in the same manner:
“Shall I lift up my eyes to the hills? Whence should my help come? My help cometh from Jehovah, who made heaven and earth.”
Find out passages where the words, “hill,” “hills,” “high hills,” are thus used.
1 Kings 11:7 Then Solomon built a high place for Chemosh the abomination of Moab, and for Molech the abomination of the Ammonites, on the mountain east of Jerusalem.
1 Kings 14:23 “For they also built for themselves high places and pillars and Asherim on every high hill and under every green tree”
2 Kings 16:4 “And he sacrificed and made offerings on the high places and on the hills and under every green tree.”
2 Kings 17:10 “They set up for themselves pillars and Asherim on every high hill and under every green tree”
Isaiah 65:7 “‘both your iniquities and your fathers’ iniquities together, says the LORD; because they made offerings on the mountains
and insulted me on the hills, I will measure into their bosom payment for their former deeds.'”
Jeremiah 3:23 “Truly the hills are a delusion, the orgies on the mountains. Truly in the LORD our God is the salvation of Israel.”
Jeremiah 17:2 “while their children remember their altars and their Asherim, beside every green tree and on the high hills”
Ezekiel 6:13 “And you shall know that I am the LORD, when their slain lie among their idols around their altars, on every high hill, on all the mountaintops, under every green tree, and under every leafy oak, wherever they offered pleasing aroma to all their idols.”
Hosea 4:13 “They sacrifice on the tops of the mountains and burn offerings on the hills, under oak, poplar, and terebinth, because their shade is good. Therefore your daughters play the whore, and your brides commit adultery.”
Other “Head Knowledge Helpers” like this one are categorized under the heading “The Sunday at Home“.