From Sahih Bukhari (Hadith 4144):
Narrated Ibn Abi Mulaika:`Aisha used to recite this Verse:-- 'Ida taliqunahu bi-alsinatikum' (24.15) "(As you tell lie with your tongues.)" and used to say "Al-Walaq" means "telling of a lie. "She knew this Verse more than anybody else as it was revealed about her
Reference: Bukhari 4144