Salm Abi al-Nadr سالم بن أبي أمية - أبو النضر · The Book on Jihad

"The Messenger of Allah (ﷺ) was a slave (of Allah), who would order as he has ben ordered to. He did not give an order to us instead of the people regarding anything except for three: He ordered us that we make our Wudu' well (Isbagh), that we not eat from charity, and the we not mate a donkey with a horse." There is something on this topic from 'Ali. This Hadith is Hasan Sahih. Sufyan Ath-Thawri reported this from…