Sahih Muslim | Book 30 | Hadith Number 5861

Narrated by Abu al-Aliya
Abu al-Aliya said: The son of the uncle of your Prophet (may peace be upon him), i.e. Ibn Abbas, reported Allah's Messenger (may peace be upon him) as saying: It is not meet for a servant that he should say: I am better than Yunus b. Matta (and this Matta) is the name of his father.