Sahih Bukhari 6864

Narrated Al-Miqdad bin `Amr Al-Kindi: An ally of Bani Zuhra who took part in the battle of Badr with the Prophet, that he said, O Allah's Apostle! If I meet an unbeliever and we have a fight, and he strikes my hand with the sword and cuts it off,..

The Prophet also said to Al-Miqdad, If a faithful believer conceals his faith (Islam) from the disbelievers, and then when he declares his Islam, you kill him, (you will be sinful). Remember that you were also concealing your faith (Islam) at..

Narrated `Abdullah: The Prophet said, No human being is killed unjustly, but a part of responsibility for the crime is laid on the first son of Adam who invented the tradition of killing (murdering) on the earth. (It is said that he was Qabil). ..

Narrated `Abdullah bin `Umar: The Prophet said, After me (i.e. after my death), do not become disbelievers, by striking (cutting) the necks of one another. ..

Narrated Abu Zur'a bin `Amr bin Jarir: The Prophet said during Hajjat-al-Wada`, Let the people be quiet and listen to me. After me, do not become disbelievers, by striking (cutting) the necks of one another. ..

Narrated `Abdullah bin `Amr: The Prophet said, Al-Ka`ba'ir (the biggest sins) are: To join others (as partners) in worship with Allah, to be undutiful to one's parents, or said, to take a false oath. (The sub-narrator, Shu`ba is not sure)..