‏الصلاة : Hadeeth No:1120 'A'isha reported: The Prophet of Allaah (may, sallAllaahu alayhi wa sallam) saw spittle or snot or sputum, sticking to the wall towards Qibla and scratched it off....

‏الزكاة : Hadeeth No:2134 Abu Sa'id al-Khudri reported Allaah's Messenger (way sallAllaahu alayhi wa sallam) as saying: No sadaqa (zakat) is payable on less than five wasqs of (dates or grains), on less than five camel-heads and on less than five uqiyas (of silver)....