Abraham Imprisoned and Then Rescued by God From Ur of the Chaldees

Rav Chanan bar Rava said in the name of Rav: Ten years our father Abraham was imprisoned, three in Cuta and seven in Kardo. And Rav Dimi of Nehardea taught the reverse. Rav said: The lesser ferry-crossing of Cuta, that is Ur of the Chaldees. This is what is written: "For what great nation is there that has God so near to it" (Deuteronomy 4:7). By the way of the world, flesh and blood takes for himself a patron who will stand surety for him, and then the man is seized in chains. People go and tell the patron, "Your dependent has been seized." He says to them, "I stand surety for him." When the man is led out to be killed, where is he and where is his patron? But the Holy One, blessed be He, is not so. The ministering angels said, "Abraham, the son of your covenant, has been seized." He said to them, "I stand surety for him." They said to Him, "Behold, he stands before Amraphel" [text uncertain regarding his accusers being read out], "behold, he is being led out to be burned." He said to them, "I stand surety for him." He was cast into the fiery furnace, and the Holy One, blessed be He, came down and rescued him: "I am the LORD who brought you out of Ur of the Chaldees" (Genesis 15:7).