Abu Bakr Siddiq reported: As we went along with Messenger of Allah ﷺ from Mecca to Medina, we passed by a shepherd and Messenger of Allah ﷺ was feeling thirsty. He (Abu Bakr Siddiq) said: I milked for him a small quantity of milk (from his goat) and brought it to him (the Holy Prophet), and he drank it and I was very happy.

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ الْعَنْبَرِيُّ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي إِسْحَاقَ،
عَنِ الْبَرَاءِ، قَالَ قَالَ أَبُو بَكْرٍ الصِّدِّيقُ لَمَّا خَرَجْنَا مَعَ النَّبِيِّ ﷺ مِنْ مَكَّةَ
إِلَى الْمَدِينَةِ مَرَرْنَا بِرَاعٍ وَقَدْ عَطِشَ رَسُولُ اللَّهِ ﷺ قَالَ فَحَلَبْتُ لَهُ كُثْبَةً
مِنْ لَبَنٍ فَأَتَيْتُهُ بِهَا فَشَرِبَ حَتَّى رَضِيتُ .