Perform sacrifices properly according to Islamic teachings

This hadith is about how to perform sacrifice during Hajj and Umra. It was narrated by Yahya who heard it from Malik who heard it from Abdullah ibn Dinar that he used to see Abdullah ibn Umar sacrificing animals two at a time during hajj and one at a time during umra. He said, "I saw him sacrifice an animal outside the house of Khalid ibn Usayd, where he was staying. I saw him stick his spear in the throat of the animal he was going to sacrifice until the spear came out under its shoulder". This hadith teaches us that when performing sacrifices for religious purposes such as Hajj or Umrah, we should make sure that we do so properly by sticking our spears into their throats until they come out under their shoulders. We should also remember that these sacrifices are done for Allah's sake only and not for any other purpose or reward. Furthermore, this hadith reminds us of our responsibility towards animals as Muslims; we must treat them with kindness even when sacrificing them for religious purposes.