Al-Muwatta de Malik, 422

Aicha, la femme du Prophète (salallahou alayhi wa salam) r (Sur lui la grâce et la paix d'Allah) a dit: «La pratique (religieuse) la plus agréable aux yeux de l'Envoyé d'Allah (salallahou alayhi wa salam) r (Sur lui la grâce et la paix d'Allah) était celle qui est accomplie avec le plus de régularité»

Yahya related to me from Malik from Hisham ibn Urwa from his father that A'isha, the wife of the Prophet, may Allah bless him and grant him peace, said, "The actions which the Messenger of Allah, may Allah bless him and grant him peace, loved most were those which were done most constantly