Hakim b. Hizam said God's Messenger sent him with a dinar to buy a sacrificial animal for him. He bought a sheep for a dinar, sold it for two, came back, bought a sacrificial animal for a dinar, and brought it along with the extra dinar which he had gained. God’s Messenger gave the dinar as sadaqa and asked a blessing on him in his trading.
Sa'id b. Zaid reported God’s Messenger as saying, “If anyone takes a span of land unjustly, its extent taken from seven earths will be tied round his neck on the day of resurrection.”
Jabir said he intended to go to Khaibar, so he went to the Prophet, gave him a salutation and told him of his purpose. He replied, “When you come to my agent take fifteen camel-loads from him, and if he desires a sign from you put your hand on his collar-bone*”.
*This was evidently a pre-arranged sign to show that the Messenger was genuine.
