‏الصيام : Hadeeth No:2501 'A'isha (Allaah be pleased with her) reported. In the pre-Islamic days fast was observed on the day of Ashura, but with the advent of Islam (its position was ascertained as that of a voluntary fast). Then he who wished to fast fasted, and he who liked to abandon it abandoned it....

‏الصلاة : Hadeeth No:1570 'A'isha reported: When it was dawn, the Messenger of Allaah (sallAllaahu alayhi wa sallam) observed two rak'ahs, and I would say: Does he recite only the opening chapter of the Qur'an in it?...