"I will not be pleased until you ask the Messenger of Allah to bear witness." He said: "O Messenger of Allah, the mother of this boy, the daughter of Rawahah, insisted that I give a gift to him." The Messenger of Allah said: "O Bashir, do you have any other children besides this one?" He said: "Yes." The Messenger of Allah said: "Have you given all of them a gift like that which you have given to this son of yours?" He said: "No." The Messenger of Allah said: "Then do not ask me to bear witness, for I will not bear witness to unfairness."
Sunan an-Nasa'i Book 31, Hadith 10
← Previous Hadith "Have you given all your children a present like that which you have given to him?" He said: "No." He said: "I will not bear witness to anything. Will it not please you if they were all to treat you with equal respect?" He said: "Of course." He said: "Then no (I will not do it)."

Sunan an-Nasa'i Book 31, Hadith 9 Next Hadith → "My mother asked my father for a gift and he gave it to me. She said: 'I will not be contented until you ask the Messenger of Allah to bear witness.' So my father took me by the hand, as I was still a boy, and went to the Messenger of Allah. He said: 'O Messenger of Allah, the mother of this boy, the daughter of Rawahah, asked me for a gift, and she wanted me to ask you to bear witness to that.' He said: 'O Bashir, do you have any other child apart from this one?' He said: 'Yes.' He said: 'Have you given him gifts like that which you have given to this one?' He said: 'No.' He said: 'Then do not ask me to bear witness, for I will not bear witness to unfairness.'"

Sunan an-Nasa'i Book 31, Hadith 11