“ THERE IS NO POSSIBLE LINE OF CONDUCT WHICH HAS NOT AT SOME TIME AND PLACE BEEN CONDEMNED, AND WHICH AT SOME OTHER TIME AND PLACE BEEN ENJOINED AS A DUTY. ”
‏ « ما من مسلك إلا وشُجب في زمان ومكان ما ،‏ وفُرض كواجب في زمان ومكان آخر » .‏