Abu Hurairah Radiyallahu 'anhu narrates that Nabi Sallallahu 'alaihi wasallam said: Indeed, there is a Surah in the Qur'an having thirty verses, which intercedes for its reciter until he is forgiven. And that Surah is: Tabarakalladhi biyadihil mulk (Surah 67). (Tirmidhi: 2891)