‏الصلاة : Hadeeth No:1180 'Abdullah b. Mas'ud reported: The Prophet of Allaah (sallAllaahu alayhi wa sallam) performed two prostrations for forgetfulness after salutation and talking....

‏الإيمان : Hadeeth No:95 It is reported on the authority of Jabir b. Abdullah that the Messenger of Allaah (may peace and, blessings be upon him) observed: The callousness of heart and sternness is in the East and faith is among the people of the Hijaz....