Sahih Muslim Book: 6, Hadith: 1233

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، ح وَحَدَّثَنَا مُحَمَّدُ بْنُ رُمْحٍ، أَخْبَرَنَا اللَّيْثُ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، أَنَّهُ قَالَ إِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم بَعَثَنِي لِحَاجَةٍ ثُمَّ أَدْرَكْتُهُ وَهُوَ يَسِيرُ – قَالَ قُتَيْبَةُ يُصَلِّي – فَسَلَّمْتُ عَلَيْهِ فَأَشَارَ إِلَىَّ فَلَمَّا فَرَغَ دَعَانِي فَقَالَ ‏ “‏ إِنَّكَ سَلَّمْتَ آنِفًا وَأَنَا أُصَلِّي ‏”‏ ‏.‏ وَهُوَ مُوَجِّهٌ حِينَئِذٍ قِبَلَ الْمَشْرِقِ ‏.‏ Jabir reported:The Messenger of Allah (may peace be upon him) sent me on an errand. I (having done the business assigned to me came back and) joined him as he was going (on a ride). Qutaiba said that he was saying prayer while he rode. I greeted him. He gestured to me. When he completed the prayer. he called me and said: You greeted me just now while I was engaged in prayer. (Qutaiba said): His (Prophet’s face) was towards the east, as he was praying. Chain : Qutayba bin Sa’id bin Jamil ...