[14] Ibn Khallikan might need been the 1st to concern the authenticity in the ebook in the thirteenth century and his view has long been echoed by most Sunni authors so far. Then again, the Mu'tazila scholar Ibn Abil-Hadid, who authored A significant commentary on Nahj al-Balagha, has no uncertainties http://www.vegaingenium.it/members/mapskill6/activity/1577754/