Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Surely, I see behind me just as I see in front of me, so keep your rows straight and perform bowing and prostration in a good manner.
Hadith Referenceالفتح الربانی / أبواب صلاة الجماعة / 2650
Benefits: … This was a miracle of the Noble Prophet sallallahu alayhi wa sallam that even during the prayer, the conditions of the followers (muqtadis) were visible to him sallallahu alayhi wa sallam.