90 Preface وَقالوا لَن نُؤمِنَ لَكَ حَتّىٰ تَفجُرَ لَنا مِنَ الأَرضِ يَنبوعًاAhmed AliAnd say: “We will not believe you until you make a spring of water gush forth from the earth for us;