"Is not My word like a fire?" says the LORD, "And like a hammer that breaks the rock in pieces?
Jeremiah 23:29
Surrounding context
23:28 "The prophet who has a dream, let him tell a dream; And he who has My word, let him speak My word faithfully. What is the chaff to the wheat?" says the LORD.
23:29 "Is not My word like a fire?" says the LORD, "And like a hammer that breaks the rock in pieces?
23:30 "Therefore behold, I am against the prophets," says the LORD, "who steal My words every one from his neighbor.