Sahih Al Bukhari – Book of Invocations
Volume 008, Book 075, Hadith Number 317A.
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Narrated By Abu Huraira
Razi Allah Anhu: Allah's Apostle
Peace Be Upon Him
said, "For every prophet there is one (special invocation (that will not be rejected) with which he appeals (to Allah), and I want to keep such an invocation for interceding for my followers in the Hereafter."