حَدَّثَنَا مُعْتَمِرٌ حَدَّثَنَا عُبَيْدُ اللَّهِ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ أَنَّ نَبِيَّ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى أَنْ تُحْلَبَ مَوَاشِي النَّاسِ إِلَّا بِإِذْنِهِمْ
مسند امام احمد بن حنبل · Hadith 4471
It was narrated from Ibn 'Umar that the Prophet of Allah (PBUH) forbade milking people's flocks without their permission.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020