Oneness, Uniqueness of Allah (Tawheed)
Bukhari :: Book 9 :: Volume 93 :: Hadith 635
Narrated 'Aisha:
(when the slanderers said what they said about her): I went to my bed knowing at that time that I was innocent and that Allah would reveal my innocence, but by Allah, I never thought that Allah would reveal in my favor a revelation which would be recited, for I considered myself too unimportant to be talked about by Allah in the Divine Revelation that was to be recited. So Allah revealed the ten Verses (of Surat-an-Nur). 'Those who brought a false charge........' (24.11-20)