Muwatta Malik
Book 20, Hadith 186
Arabic hadith text
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يُحَرِّكُ رَاحِلَتَهُ فِي بَطْنِ مُحَسِّرٍ قَدْرَ رَمْيَةٍ بِحَجَرٍ .
Translation
Yahya related to me from Malik from Nafi that Abdullah ibn Umarused to spur on his mount in the middle of Muhassir over the distanceof a stone's throw.