“Abu Bakr [may Allah be pleased with him] said: ‘O Messenger of Allah! You have become gray.’ He said: ‘I have gone gray from (Surat) Hud, Al-Waqiʿah, Al-Mursalat and ʿAmma Yatasa'alun and Idhash-Shamsu Kuwwirat.’”
أَبُو بَكْرٍ ؓ يَا رَسُولَ اللَّهِ قَدْ شِبْتَ قَالَ شَيَّبَتْنِي هُودٌ وَالْوَاقِعَةُ وَالْمُرْسَلاَتُ وَ عمَّ يَتَسَاءَلُونَ وَإذَا الشَّمْسُ كُوِّرَتْ