He told that when Abu Humaid, one of the Ansar, brought a vessel of milk to the Prophet (ﷺ) from an-Naqi'* the Prophet (ﷺ) said, “Why did you not cover it up, even by putting a piece of wood on it?” *A place in the <i>wadi</i> al-'Aqiq where camels which had been given in <i>sadaqa</i> were kept. (Bukhari and Muslim.)

وَعَنْهُ قَالَ: جَاءَ أَبُو حُمَيْدٍ رَجُلٌ مِنَ الْأَنْصَارِ مِنَ النَّقِيعِ بِإِنَاءٍ مِنْ لَبَنٍ إِلَى النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَقَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «أَلَّا خَمَّرْتَهُ وَلَوْ أنْ تعرِضَ عليهِ عوداً»