 Complete the following phrase:  Taqī ad-Dīn ʾAḥmad ibn ʿAbd al-Ḥalīm ibn ʿAbd al-Salām al-Numayrī al-Ḥarrānī , January 22, 1263  September 26, 1328, known simply ibn Taymīyyah , was a Sunni Islamic scholar, muhaddith, theologian, judge, philosopher, and sometimes controversial thinker and political figure. He is known for his diplomatic involvement with the Ilkhanid ruler Ghazan Khan and for his involvement at the Battle of Marj al-Saffar which ended the 