‏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)....

‏الإيمان : Hadeeth No:398 Anas reported: Verily, a person said: Messenger of Allaah, where is my father? He said: (He) is in the Fire. When he turned away, he (the Prophet) called him and said: Verily my father and your father are in the Fire....