Isaiah 6:10 in the King James Version
Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.
Context
9 He said, “Go, and tell this people, ‘You hear indeed, but don’t understand. You see indeed, but don’t perceive.’
10 Make the heart of this people fat. Make their ears heavy, and shut their eyes; lest they see with their eyes, hear with their ears, understand with their heart, and turn again, and be healed.”
11 Then I said, “Lord, how long?” He answered, “Until cities are waste without inhabitant, houses without man, the land becomes utterly waste,