Sunan An-Nasa'i
Hadith #2466
It was narrated that 'Abdullah bin Hilal Ath-Thaqafi said:""A man came to the Prophet and said: 'I feared that I might be killed after you are gone for the sake of a goat or sheep of the Sadaqah.' He said: 'Were it not that it will be given to the poor Muhajirin I would not have taken it.""' (Daif)