Ibrahim bin Sa'd bin Ibrahim إبراهيم بن سعد بن إبراهيم · The Book of Zakah

"The Messenger of Allah said: '(On the Day of Resurrection) camels will come to their owner in the best state of health that they ever had (in this world) and if he did not pay what was due on them, they will trample him with their hooves. Sheep willcome to their owner in the best state of health that they ever had (in this world) and if he did not pay what was due on them, they will trample him…

"The Muslim does not have to pay Sadaqah on his slave or his horse."

"I undertook a financial responsibility. Then I came to the Prophet and asked him (for help) concerning that. He said: 'Asking (for money) is not permissible except for three: A man who undertakes a financial responsibility between people; he may ask for help with that until the matter is settled, then he should refrain (from asking)."'