‏البيوع : Hadeeth No:3728 Jabir (Allaah be pleased with him) reported Allaah's Prophet (sallAllaahu alayhi wa sallam) forbidding selling of (produce) in advance for two years, and in the narmtion of Ibu Abd Shaiba (the words are):" Selling of the fruits (on the tree) in advance for two years."...

‏الفتن وأشراط الساعة‏ : Hadeeth No:7042 Ma'qil b. Yasar reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: Worshiping during the period of widespread turmoil is like emigration towards me....