1 Samuel 23:7-13

7Now it was told Saul that David had come to Keilah. And Saul said, “God has given him into my hand, for he has shut himself in by entering a town that has gates and bars.” 8And Saul summoned all the people to war, to go down to Keilah, to besiege David and his men. 9David knew that Saul was plotting harm against him. And he said to Abiathar the priest a  Bring the ephod here.” 10Then David said, “O  Lord, the God of Israel, your servant has surely heard that Saul seeks to come to Keilah, to destroy the city on my account. 11Will the men of Keilah surrender me into his hand? Will Saul come down, as your servant has heard? O  Lord, the God of Israel, please tell your servant.” And the  Lord said, “He will come down.” 12Then David said, “Will the men of Keilah surrender me and my men into the hand of Saul?” And the  Lord said, b  “They will surrender you.” 13Then David and his men, c  who were about six hundred, arose and departed from Keilah, and they went d  wherever they could go. When Saul was told that David had escaped from Keilah, he gave up the expedition.

Jeremiah 1:18

18And I, behold, I make you this day e  a fortified city, f  an iron pillar, and g  bronze walls, against the whole land, against the kings of Judah, its officials, its priests, and the people of the land.
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