Sunan Ibn Majah 2073
سنن ابن ماجه#2073SahihIt was narrated from Sa'eed bin Jubair that Ibn 'Abbas said:"For the one who makes unlawful is the swearing." (Sahih)And Ibn 'Abbas used to say: "You had the best example in the Messenger of Allah." (33:)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 10:58