Jami' at-Tirmidhi 2873

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 ‏.‏

Narrated (Another route) from Az-Zuhri: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

Reference

Jami' at-Tirmidhi 2873

In-book

Book 44, Hadith 16