I was the third of four wives of a Sufi shaykh, named Frithjof Schuon - for twenty years. I didn't realize anything was seriously wrong for twenty more years. I've prepared a site:
frithjofschuon.wordpress.com
That is a refutation, written ffom within orthodox Islam and authentic, traditional Sufism. Although the Summary First, which is really an introduction, will be difficult for no
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"Cults," Sects, and "New Religious Movements"