Salim reported on his father's authority that God’s Messenger said, "If anyone takes any land without having a right he will be swallowed up seven earths deep on the day of resurrection.”
When I was a boy I used to throw stones at the palm-trees belonging to the Ansar and was brought to the Prophet. He asked, “Why do you throw stones at the palm-trees, boy?” and when I replied that it was to get something to eat he said, “Do not' throw stones, but you may eat anything that falls below them.” Then passing his hand over my head he said, “O God, fill his belly.”
Ya'la b. Murra told of hearing God’s Messenger say, “If anyone seizes land to which he has no right he will be made to carry its earth at the resurrection.”
Abu Umama told of hearing God's Messenger say, “A loan must be paid back, a minha* must be returned, a debt must be discharged, and one who stands surety is held responsible.”
Tirmidhi and Abu Dawud transmitted it.
*This may be a she camel lent for a time for milking, but it can be used of other things which are lent for some specific purpose.
