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.
ahmad-zuhd:715ʿAbdullāh > Hārūn b. ʿAbdullāh > Sayyār > Jaʿfar > Saʿīd al-Jarīrī > Baʿḍ Ashyākhih

[Machine] Abu Darda saw a man at a funeral saying, "Who is this?" Abu Darda replied, "This is you, this is you," Allah says, "Indeed, you are mortal, and indeed, they are mortal." [Az-Zumar 30]  

الزهد لأحمد:٧١٥حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي هَارُونُ بْنُ عَبْدِ اللَّهِ حَدَّثَنَا سَيَّارٌ حَدَّثَنَا جَعْفَرٌ حَدَّثَنَا سَعِيدٌ الْجَرِيرِيُّ عَنْ بَعْضِ أَشْيَاخِهِ

أَنَّ أَبَا الدَّرْدَاءِ أَبْصَرَ رَجُلًا فِي جِنَازَةٍ وَهُوَ يَقُولُ مَنْ هَذَا؟ فَقَالَ أَبُو الدَّرْدَاءِ هَذَا أَنْتَ هَذَا أَنْتَ يَقُولُ اللَّهُ ﷻ {إِنَّكَ مَيِّتٌ وَإِنَّهُمْ مَيِّتُونَ} [الزمر 30]