‏الصلاة : Hadeeth No:1116 Abdullah b. Umar reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) saw spittle on the wall towards Qibla, and scratched it away and then turning to the people said: When any one of you prays, he must not spit in front of him, for Allaah is in front of him when he is engaged in prayer....

‏الصلاة : Hadeeth No:1785 Ibn 'Abbas reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Gabriel taught me to recite in one style. I replied to him and kept asking him to give more (styles), till he reached seven modes (of recitation). Ibn Shibab said: It has reached me that these seven styles are essential...