وَعَنْ يَزِيدَ بْنِ اَلْأَسْوَدِ رضى الله عنه
«أَنَّهُ صَلَّى مَعَ رَسُولِ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ (صَلَاةَ اَلصُّبْحِ، فَلَمَّا صَلَّى رَسُولُ اَللَّهِ) صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: إِذَا هُوَ بِرَجُلَيْنِ لَمْ يُصَلِّيَا، فَدَعَا بِهِمَا، فَجِيءَ بِهِمَا تَرْعَدُ فَرَائِصُهُمَا، فَقَالَ لَهُمَا: «مَا مَنَعَكُمَا أَنْ تُصَلِّيَا مَعَنَا?«قَالَا: قَدْ صَلَّيْنَا فِي رِحَالِنَا.
قَالَ: «فَلَا تَفْعَلَا، إِذَا صَلَّيْتُمَا فِي رِحَالِكُمْ، ثُمَّ أَدْرَكْتُمْ اَلْإِمَامَ وَلَمْ يُصَلِّ، فَصَلِّيَا مَعَهُ، فَإِنَّهَا لَكُمْ نَافِلَةٌ»
He offered the morning prayer with the Messenger of Allah (sallallahu alayhi wa sallam) and when the Messenger of Allah (sallallahu alayhi wa sallam) finished his prayer, he saw two men who had not prayed with him. He ordered them to be brought and they were brought trembling with fear.
He asked them what had prevented you from praying with us? They said, “We had already prayed at our homes.” He said, “Don’t do so! If you pray at your homes and then you come while the Imam has not yet performed the prayer, you must pray with him, and it will be a voluntary prayer for you.”.