Sahih Bukhari
Sahih Bukhari Volume 003, Book 032, Hadith Number 234.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 32. Praying at Night In Ramadhan (Taraweeh)
Narated By 'Aisha : Allah's Apostle said, "Search for the Night of Qadr in the odd nights of the last ten days of Ramadan."