Jami at-Tirmidhi 2873
Jami at-Tirmidhi · Book 44: Chapters on Parables · What Has Been Related About The Parable Of The Son Of Adam, His Lifespan And His Hope
Narrated (Another route) from Az-Zuhri:
حَدَّثَنَا سَعِيدُ بْنُ عَبْدِ الرَّحْمَنِ الْمَخْزُومِيُّ ، قَالَ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ ، عَنِ الزُّهْرِيِّ ، بِهَذَا الإِسْنَادِ نَحْوَهُ وَقَالَ لاَ تَجِدُ فِيهَا رَاحِلَةً أَوْ قَالَ لاَ تَجِدُ فِيهَا إِلاَّ رَاحِلَةً .
with this chain, and it is similar, but he said: "You can find a mount among them." - from Salim, from Ibn 'Umar that the Messenger of Allah (ﷺ) said: "People are but like one hundred camels, you can not find a mount among them - or he said - you can not find but one mount among them."
Grade: Sahih (Darussalam)