86أَلَم يَرَوا أَنّا جَعَلنَا اللَّيلَ لِيَسكُنوا فيهِ وَالنَّهارَ مُبصِرًا ۚ إِنَّ في ذٰلِكَ لَآياتٍ لِقَومٍ يُؤمِنونَBijan MoeinianHave they not seen how I have created the night for their rest and the day for their activities. This alone is a proof enough for the believers.