Isaiah 6:9 And he said, Go, and tell this people, Hear you indeed, but understand not; and see you indeed, but perceive not. Nave's Topical Index
Isaiah 29:13 Why the Lord said, For as much as this people draw near me with their mouth, and with their lips do honor me, but have removed their heart far from me, and their fear toward me is taught by the precept of men: Nave's Topical Index