قُلْتُ لَهُ فَصَلِّ لِرَبِّكَ وَ انْحَرْ قَالَ النَّحْرُ الِاعْتِدَالُ فِي الْقِيَامِ أَنْ يُقِيمَ صُلْبَهُ وَ نَحْرَهُ وَ قَالَ لَا تُكَفِّرْ فَإِنَّمَا يَصْنَعُ ذَلِكَ الْمَجُوسُ وَ لَا تَلَثَّمْ وَ لَا تَحْتَفِزْ[1] وَ لَا تُقْعِ عَلَى قَدَمَيْكَ وَ لَا تَفْتَرِشْ ذِرَاعَيْكَ.
“I once asked abu Ja‘far (a.s.), about the words of Allah, ‘Perform Salah (prayer) for the sake of your Lord and offer sacrifice. . . .’(108:2) He (the Imam) said, ‘Offering sacrifice’ is a reference to standing in a level posture by keeping one’s back and neck level.’ He (the Imam) said, ‘You must not place your hand