His Grey Hairs Sahih Muslim 2341 f
Arabic hadith text
وَحَدَّثَنِيهِ مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الصَّمَدِ، حَدَّثَنَا الْمُثَنَّى، بِهَذَا الإِسْنَادِ
Translation
This hadith has been narrated on the authority of Muthanna through the same chain of transmitters.