Sahih Muslim 1888
Sahih Muslim · Book 33: The Book on Government · The virtue of Jihad and keeping watch over the frontier
وَحَدَّثَنَا عَبْدُ اللَّهِ بْنُ عَبْدِ الرَّحْمَنِ الدَّارِمِيُّ ، أَخْبَرَنَا مُحَمَّدُ بْنُ يُوسُفَ ، عَنِ الأَوْزَاعِيِّ ، عَنِ ابْنِ شِهَابٍ ، بِهَذَا الإِسْنَادِ فَقَالَ " وَرَجُلٌ فِي شِعْبٍ " . وَلَمْ يَقُلْ " ثُمَّ رَجُلٌ " .
A version of the tradition narrated on the authority of Ibn Shihab has a little differently worded ending. i. e." A man in a mountain valley." but did not mention" next to him a man who...."