But this “cultural revolution” was no docile reformism. It was a revolution based on Abd al-Wahhab’s Jacobin-like hatred for the putrescence and deviationism that he perceived all about him — hence his call to purge Islam of all its heresies and idolatries.

http://www.huffingtonpost.com/alastair-crooke/isis-wahhabism-saudi-arabia_b_5717157.html – 8/27/2014.