Sahih (Sahih Muslim)
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، عَنْ مِسْعَرٍ، عَنْ بُكَيْرِ بْنِ الأَخْنَسِ، عَنْ أَنَسٍ، قَالَ سَمِعْتُهُ يَقُولُ مُرَّ عَلَى النَّبِيِّ صلى الله عليه وسلم بِبَدَنَةٍ أَوْ هَدِيَّةٍ فَقَالَ " ارْكَبْهَا " . قَالَ إِنَّهَا بَدَنَةٌ أَوْ هَدِيَّةٌ . فَقَالَ " وَإِنْ " .
Anas reported:Someone happened to pass by Allah's Apostle (ﷺ) with a sacrificial camel, or a sacrificial animal, whereupon he said: Ride on it. He said: It is a sacrificial camel, or animal, whereupon he said: (Ride) even if (it is a sacrificial camel)