[Machine] The people of Kufa complained to Umar about Saad, saying that he does not pray properly. Umar asked Saad about this and he replied, "I pray with them using the prayer of the Messenger of Allah ﷺ . I bow longer in the first two rak'ahs and shorten it in the last two." Umar told him, "That is your own assumption, O Abu Ishaq."
شَكَا أَهْلُ الْكُوفَةِ سَعْدًا إِلَى عُمَرَ فَقَالُوا لَا يُحْسِنُ يُصَلِّي قَالَ فَسَأَلَهُ عُمَرُ فَقَالَ إِنِّي أُصَلِّي بِهِمْ صَلاةَ رَسُولِ اللهِ ﷺ أَرْكُدُ فِي الْأُولَيَيْنِ وَأَحْذِفُ فِي الْأُخْرَيَيْنِ قَالَ ذَلِكَ الظَّنُّ بِكَ يَا أَبَا إِسْحَاقَ