Nehemiah 4:2-3

He spoke in the presence of his brothers and the wealthy men of Samaria and said, “What are these feeble Jews doing? Are they going to restore it for themselves? Can they offer sacrifices? Can they finish in a day? Can they revive the stones from the dusty rubble even the burned ones?” Now Tobiah the Ammonite was near him and he said, “Even what they are building—if a fox should jump on it, he would break their stone wall down!”