A Concise Principle on Fighting the Disbelievers, Concluding Peace with Them, and the Prohibition of Killing Them Merely for Their Disbelief (A principle that sets forth the lofty values of Islamic civilization in war and combat) Authored by Shaykh al-Islam Ahmad ibn ʿAbd al-Halim Ibn Taymiyyah al-Harrani (661–728 AH) Critically edited and examined through a comparative study by Dr. ʿAbd al-Aziz ibn ʿAbd Allah ibn Ibrahim al-Zir Aal Hamad May Allah forgive him, his parents, and all Muslims