Sahih Muslim
The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fadail Al-Sahabah)
Book Number: 031 / Hadith Number: 6131
'Adi b. Hatim reported: I came to Umar b. Khattab and he said to me: The first consignment of Sadaqa brought to Allah's Messenger (may peace be upon him) which brightened the face of Allah's Messenger (may peace be upon him) and the faces of his Companions was that of Tayyi.