Say , " The truth is from your Lord " : Let him who will believe , and let him who will , reject ( it ) : for the wrong-doers We have prepared a Fire whose ( smoke and flames ) , like the walls and roof of a tent , will hem them in : if they implore relief they will be granted water like melted brass , that will scald their faces , how dreadful the drink ! How uncomfortable a couch to recline on !