2 Samuel 5:6-8

Complete Jewish Bible

⁶ The king and his men went to Yerushalayim to attack the Y’vusi, the inhabitants of that region. They taunted David, “You won’t get in here! Even the blind and the lame could fend you off!” — in other words, they were thinking, “David will never get in here.” ⁷ Nevertheless, David captured the stronghold of Tziyon, also known [now] as the City of David. ⁸ What David said on that day was, “In order to attack the Y’vusi, you have to climb up [from the spring outside the city] through the water tunnel. Then you can do away with those [so-called] ‘lame and blind’” (whom David despises — hence the expression, “The ‘blind and lame’ keep him from entering the house”).