عَن سَمُرَة بن جُنْدُب
قَالَ: أَمَرَنَا رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: إِذَا كُنَّا ثَلَاثَةً أَنْ يَتَقَدَّمَنَا أَحَدُنَا
God’s Messenger commanded that when there were three of us one should stand in front.
Mishkat al-Masabih 1050, Book 5, Prayer, Hadith 528. 1 min read