Sahih Muslim | Book 1 | Hadith Number 176

Narrated by Usama b. Zaid
It is narrated on the authority of Usama b. Zaid that the Messenger of Allah (may peace be upon him) sent us in a raiding party. We raided Huraqat of Juhaina in the morning. I caught hold of a man and he said: There is no god but Allah, I attacked him with a spear. It once occurred to me and I talked about it to the Apostle (may peace be upon him). The Messenger of Allah (may peace be upon him) said: Did he profess "There is no god but Allah," and even then you killed him? I said: Messenger of Allah, he made a profession

of it out of the fear of the weapon. He (the Holy Prophet) observed: Did you tear his heart in order to find out whether it had professed or not? And he went on repeating it to me till I wished I had embraced Islam that day. Sa'd said: By Allah, I would never kill any Muslim so long as a person with a heavy belly, i.e., Usama, would not kill. Upon this a person remarked: Did Allah not say this: And fight them until there is no more mischief and religion is wholly for Allah? Sa'd said: We fought so that there should be no mischief, but you and your companions wish to fight so that there should be mischief.