‏البيوع : Hadeeth No:3672 Jabir (Allaah be pleased with him) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade (or forbade us) the sale of fruits until they are ripe in a good condition....

‏الصيام : Hadeeth No:2508 Abdullah b. Umar (Allaah be pleased with them) reported that the day of 'Ashura was mentioned before the Prophet of Allaah (sallAllaahu alayhi wa sallam) and he narrated a hadith like one (narrated above)....