Sahih Bukhari
Good Manners and Form (Al-Adab)
Volume: 008 / Book Number: 073 / Hadith Number: 94
Narrated Al-Laith:
'Aisha said "The Prophet entered upon me one day and said, 'O 'Aisha! I do not think that so-and-so and so-and-so know anything of our religion which we follow."'