‏الطهارة : Hadeeth No:575 Ibn Abbas reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) happened to pass by two graves and said: They (their occupants) are being tormented, but they are not tormented for a grievous sin. One of them carried tales and the other did not keep himself safe from being defiled by urine...

‏الصلاة : Hadeeth No:1115 Mu'aiqib said: They asked the Prophet (sallAllaahu alayhi wa sallam) about the removal of (pebbles) in prayer, whereupon he said: If you do it, do it only once....