Buddhism is the oldest of the world religions and Zen has learnt to employ blasphemy in a radical and creative way.http://www.buddhistchannel.tv/index.php?id=8,2453,0,0,1,0 In medieval China a stick was used as we now use toilet roll and Ummon was telling his questioner in the plainest possible terms that he could wipe his ass with Buddha, or at least his ideas of Buddha.