‏البيوع : Hadeeth No:3702 Ibn Umar (Allaah be pleased with them) reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: Whosoever grafts the tree and then sells its roots, its fruit will belong to one who grafts it except when provision is laid down by the buyer....

‏الإيمان : Hadeeth No:385 Abu Huraira reported: Verity the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: There is for every Prophet a (special) prayer with which he would pray. I wish I could reserve, my prayer for intercession of my Ummah on the Day of Resurrection....