that the Messenger of Allah ﷺ said: "There are six things due from the believer to another believer: Visiting him when he is ill, attending (his funeral) to him when he dies, accepting his invitation when he invites, giving him Salam when he meets him, replying to him when he sneezes, and wishing him well when he is absent and when he is present."
قَالَ رَسُولُ اللَّهِ ﷺ لِلْمُؤْمِنِ عَلَى الْمُؤْمِنِ سِتُّ خِصَالٍ يَعُودُهُ إِذَا مَرِضَ وَيَشْهَدُهُ إِذَا مَاتَ وَيُجِيبُهُ إِذَا دَعَاهُ وَيُسَلِّمُ عَلَيْهِ إِذَا لَقِيَهُ وَيُشَمِّتُهُ إِذَا عَطَسَ وَيَنْصَحُ لَهُ إِذَا غَابَ أَوْ شَهِدَ قَالَ هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ وَمُحَمَّدُ بْنُ مُوسَى الْمَخْزُومِيُّ الْمَدَنِيُّ ثِقَةٌ رَوَى عَنْهُ عَبْدُ الْعَزِيزِ بْنُ مُحَمَّدٍ وَابْنُ أَبِي فُدَيْكٍ