Nehemiah 4:2-3

He spoke before his brothers and the army of Samaria, “What are these feeble Jews doing? Can they restore it for themselves? Can they offer sacrifices? Can they finish in a day? Can they revive the stones from the heaps of dust and rubbish, even the ones that have been burned?” Now Tobiah the Ammonite was beside him, and he said, “Even what they are building—if a fox should get up on it, he would break down their stone wall.”