الزكاة : Hadeeth No:2184
Jabir reported that a person among the Ansar who was called Abu Madhkur granted posthumous freedom to his slave who was called Ya'qub. The rest of the hadith is the same....
الصلاة : Hadeeth No:1540
Abu Qatada (a Companion of the Prophet) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When any one of you enters the mosque, he should observe two rak'ahs (of Nafl prayer) before sitting....