Sunan An-Nasa'i

It was narrated from Bashir bin Sa'd that he brought An-Nu'man to the Prophet and said:""I want to give this son of mine a slave as a present, and if you think that I should go ahead with it, I will go ahead."" The Messenger of Allah said: ""Have you given a present to all your children?"" He said: ""No."" He said: ""Then take (your present) back