Saʿd said, "I used to pray with them a prayer similar to that of Messenger of Allah ﷺ (the prayer of Zuhr and ʿAsr) reducing nothing from them. I used to prolong the first two rakʿat and shorten the last two rakʿat." ʿUmar said to Saʿd "This was what we thought about you."
سَعْدٌ كُنْتُ أُصَلِّي بِهِمْ صَلاَةَ رَسُولِ اللَّهِ ﷺ صَلاَتَىِ الْعَشِيِّ لاَ أَخْرِمُ عَنْهَا أَرْكُدُ فِي الأُولَيَيْنِ وَأَحْذِفُ فِي الأُخْرَيَيْنِ فَقَالَ عُمَرُ ؓ ذَلِكَ الظَّنُّ بِكَ