154 Preface ما أَنتَ إِلّا بَشَرٌ مِثلُنا فَأتِ بِآيَةٍ إِن كُنتَ مِنَ الصّادِقينَAli Quli QaraiYou are just a human being like us. So bring us a sign, should you be truthful.’