and if their turning away is hard on you then if you can seek an opening into the earth or a ladder to heaven so that you should bring them a sign and if allah had pleased he would certainly have gathered them all on guidance therefore be not of the ignorant.
وإن كان كبر عليك إعراضهم فإن استطعت أن تبتغي نفقا في الأرض أو سلما في السماء فتأتيهم بآية ولو شاء الله لجمعهم على الهدى فلا تكونن من الجاهلين