‏الزكاة : Hadeeth No:2154 Sad b. Abu Sarh heard Abu Sa'id al-Khudri as saying: We used to take out as the Zakat of Fitr one sa' of grain, or one sa' of barley or one sa' of dates, or one sa' of cheese or one sa' of raisins....

‏البر والصلة والآداب‏ : Hadeeth No:6219 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Don't nurse grudge and don't bid him out for raising the price and don't nurse aversion or enmity and don't enter into a transaction when the others have entered into that transaction and be as fellow-brothers and serv...