10قالَ رَبِّ اجعَل لي آيَةً ۚ قالَ آيَتُكَ أَلّا تُكَلِّمَ النّاسَ ثَلاثَ لَيالٍ سَوِيًّاWahiduddin KhanHe said, "My Lord, grant me a sign!" He said, "Your sign will be that you will not speak to anyone for three successive days and nights, although sound in body."