‏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....

‏فضائل الصحابة‏ : Hadeeth No:6117 Khufaf b. Jura' reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said in prayer: O Allaah, hurl curse upon the tribe of Lihyan and Ri'l aid Dhakwan and Usayya for they disobeyed Allaah and His Messenger, (and for) Ghifar Allaah has granted pardon and for the tribe of Aslam Allaah has ...