(1)
Abu Hurairah (RAA) narrated that the Messenger of Allah said:
"Remember, as much as you can, the one thing (fact or reality) which (always) brings an end to all worldly joys and pleasures, (meaning death)"Related by At-Tirmidhi, An-Nasa'i and Ibn Hibban. (DE)
Reference (DE): Bulugh al-Maram 532 (DE)
In-book reference (DE): Book 3, Hadith 1 (DE)
English translation (DE): Book 3, Hadith 557 (DE)