10 Preface قالَ رَبِّ اجعَل لي آيَةً ۚ قالَ آيَتُكَ أَلّا تُكَلِّمَ النّاسَ ثَلاثَ لَيالٍ سَوِيًّاAli Quli QaraiHe said, ‘My Lord! Appoint a sign for me.’ He said, ‘Your sign is that you will not speak to the people for three complete nights.’