‏الإمارة : Hadeeth No:4528 It has been narrated on the authority of Yahya b. Husain who learnt the tradition from his grandmother. She said that she heard the Prophet (sallAllaahu alayhi wa sallam) delivering his sermon on the occasion of the Last Pilgrimage. He was saying: If a slave is appointed over you and he conducts you...

‏الصيام : Hadeeth No:2590 'Abdullah b. 'Amr b. al-'As (Allaah be pleased with them) reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: 'Abdullah, don't be like so and so who observed prayer during the whole night and then abandoned it (altogether)....