Sahih Bukhari Volume 7, Book 65, Hadith Number 329.

Narrated By Abu Musa Al-Ash’ari : The Prophet said, “Many men reached perfection but none among the women reached perfection except Mary, the daughter of ‘ Imran, and Asia, Pharoah’s wife. And the superiority of ‘Aisha to other women is like the superiority of Tharid to other kinds of food.