‏الصلاة : Hadeeth No:1572 'A'isha reported: I have never seen the Messenger of Allaah (sallAllaahu alayhi wa sallam) hastening as much in observing supererogatory as two rak'ahs before the (Fard) of the dawn prayer....

‏الألفاظ من الأدب وغيرها‏ : Hadeeth No:5597 Abu Umama b. Sahl b. Hunaif, on the authority of his father, reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: None of you should say:" My soul has become evil," but he should say:" My soul has become remorseless."...