11 He saw heaven opened and something like a large sheet being let down to earth by its four corners. 12 It contained all kinds of four-footed animals, as well as reptiles and birds. 13 Then a voice told him, "Get up, Peter. Kill and eat." 14 "Surely not, Lord!" Peter replied. "I have never eaten anything impure or unclean." 15 The voice spoke to him a second time, "Do not call anything impure that God has made clean."