[Machine] The Prophet ﷺ came across a man from the Ansar (the Medinan supporters of Prophet Muhammad) who was complaining to him about a running nose. The Prophet ﷺ asked him, "Do you have any water left with you?" The man replied, "Yes, it stayed in my nose overnight." The Prophet ﷺ said, "If it were not for that, we would have rinsed our mouths with it."  

أَتَى النَّبِيُّ ﷺ رَجُلًا مِنَ الْأَنْصَارِ يَعُودُهُ وَجَدْوَلٌ يَجْرِي فَقَالَ إِنْ كَانَ عِنْدَكُمْ مَاءٌ بَاتَ فِي الشَّنِّ وَإِلَّا كَرَعْنَا