Sahih Al Bukhari – Book of Invocations
Volume 008, Book 075, Hadith Number 333.
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Narrated By Abu Huraira
Razi Allah Anhu: Allah's Apostle
Peace Be Upon Himsaid, "When it is the last third of the night, our Lord, the Blessed, the Superior, descends every night to the heaven of the world and says, 'Is there anyone who invokes Me (demand anything from Me), that I may respond to his invocation; Is there anyone who asks Me for something that I may give (it to) him; Is there anyone who asks My forgiveness that I may forgive him?'"