Arabic (Original)
قَالَ وَثنا مُحَمَّدُ بْنُ الْعَبَّاسِ ثنا مُحَمَّدُ بْنُ حَاتِمٍ ثنا هُشَيْمٌ أنبأ يُونُسُ وَمَنْصُورٌ عَنِ الْحَسَنِ أَنَّهُ كَانَ يَقُولُ اقْرَأْ خَلْفَ الْإِمَامِ فِي كُلِّ صَلَاةٍ بِفَاتِحَةِ الْكِتَابِ فِي نَفْسِكَ أَنَّهُ كَانَ يَقُولُ اقْرَأْ خَلْفَ الْإِمَامِ فِي كُلِّ صَلَاةٍ بِفَاتِحَةِ الْكِتَابِ فِي نَفْسِكَ
English Translation
Abu Sa'id al-Khudri narrated that the Prophet (peace be upon him) said: "When one of you prays, let him not allow anyone to pass in front of him, and let him repel him as much as he can."