Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:10091Muḥammad b. ʿUthmān b. Abū Shaybah > Aḥmad b. Ṭāriq al-Wābishī > ʿAmr b. Thābit > Abū Isḥāq > Abū al-Aḥwaṣ > ʿAbdullāh

[Machine] Abu Bakr asked the Prophet ﷺ , "What has caused your hair to turn grey, O Messenger of Allah?" He replied, "Hud and Al-Waqi'ah."  

الطبراني:١٠٠٩١حَدَّثَنَا مُحَمَّدُ بْنُ عُثْمَانَ بْنِ أَبِي شَيْبَةَ ثنا أَحْمَدُ بْنُ طَارِقٍ الْوَابِشِيُّ ثنا عَمْرُو بْنُ ثَابِتٍ عَنْ أَبِي إِسْحَاقَ عَنْ أَبِي الْأَحْوَصِ عَنْ عَبْدِ اللهِ

أَنَّ أَبَا بَكْرٍ سَأَلَ النَّبِيَّ ﷺ مَا شَيَّبَكَ يَا رَسُولَ اللهِ؟ قَالَ «هُودٌ وَالْوَاقِعَةُ»