ibn Umar · The Book of ad-Dahaya (Sacrifices)

"I heard two things from the Messenger of Allah He said 'Allah, the Mighty and Sublime, ahs decreed proficiency in all things, so when you kill, kill well, and when you slaughter, slaughter well. Let one of you sharpen his blade and spear suffering to the animal he slaughter."" (Sahih )

" "Some Bedouins came to Al-Madinah at the time of (Eid) Al-Adha and the Messenger of Allah said: 'Eat, and store (the meat) for three days.' After that they said: 'O Messenger of Allah, the people used to benefit form their sacrifices by melting down the fat, and (also) making water skins from them.' He said: 'Why are you asking?' He said: 'Because you forbade us form keeping the meat of the sacrificial animals.' He said: 'I only forbade that…

"I came in to 'Aishah and said: 'Did the Messenger of Allah forbid (eating) the meat of sacrificial animals after three day?' She said: 'Yes Hardship had befallen the people, and the Messenger of Allah wanted the rich to feed the poor.' Then she said: 'I remember the family of Muhammad eating the trotters after fifteen days. I said: 'Why is that" She laughed and said: 'The family of Muhammad never ate their fill of bread and something to go…