It is narrated from al-Dahhak that the Prophet (peace and blessings be upon him) sent out some advance parties. After they had gone, the Prophet (peace and blessings be upon him) obtained some spoils. The Prophet (peace and blessings be upon him) distributed the spoils among the people and gave those parties nothing. When those parties returned, they said: "The Prophet of Allah has distributed the spoils but has not given us a share." So this verse was revealed concerning them: "It is not for a prophet to defraud." [Al Imran: 161]