Abdur Rahman bin Mahdi عبد الرحمن بن مهدي · The Book on Marriage

"A man named Abu Shu'aib came to a slave of his, who was a butcher, and said: 'Prepare some food for me that will be sufficient for five, for I have seen hunger in the face of the Messenger of Allah.' So he prepared some food. Then he sent a message to the Prophet inviting him and those who were sitting with him. When the Prophet stood, he was followed by a man who was not with them when they…

The Prophet said: "Whichever slave gets married without the permission of his owner, then he is a fornicator."

"Azl was mentined before the Messenger of Allah and he said: 'Why would one of you do that?'"