And (remember) when We made this House (the Ka‘ba) a central place for mankind to turn to (and assemble) and a sanctuary for peace and (commanded:) ‘Make the place where Ibrahim (Abraham) stood as a place of Prayer.’ And We urged Ibrahim and Isma‘il (Abraham and Ishmael): ‘Purify (cleanse) My House for those who circumambulate it and those who go into retreat and those who kneel down and prostrate themselves.’