While the Prophet ﷺ was in a Ghazwa he said, "Some people have remained behind us in Medina and we never crossed a mountain path or a valley, but they were with us (i.e. sharing the reward with us), as they have been held back by a (legal) excuse. "
أَنَّ النَّبِيَّ ﷺ كَانَ فِي غَزَاةٍ فَقَالَ إِنَّ أَقْوَامًا بِالْمَدِينَةِ خَلْفَنَا مَا سَلَكْنَا شِعْبًا وَلاَ وَادِيًا إِلاَّ وَهُمْ مَعَنَا فِيهِ حَبَسَهُمُ الْعُذْرُ وَقَالَ مُوسَى حَدَّثَنَا حَمَّادٌ عَنْ حُمَيْدٍ عَنْ مُوسَى بْنِ أَنَسٍ عَنْ أَبِيهِ قَالَ النَّبِيُّ ﷺ قَالَ أَبُو عَبْدِ اللَّهِ الأَوَّلُ أَصَحُّ