Salam, I'm looking for a Shia reference specifically for the following Hadith, but would appreciate full references for any other Hadith that reinforce Islam's anti-extremist stance too. 1-Prohibition of Harming Neighbor: It is narrated on the authority of Abu Hurayrah, may Allah be pleased with him, that the Prophet, peace and blessings be upon him said: "By Allah, he is not a believer! By Allah, he is not a believer! By Allah, he is not a believer.'' It was asked, "Who is that, O Messenger of Allah?'' He said, "One whose neighbor does not feel safe from his evil" (Sahih Bikhari: Volume 8,