This lecture by Seyyed Hossein Nasr, delivers the second part of a two part introduction to the essence of perennial philosophy as embedded within the Islamic Tradition; this was the keynote address to the two-day event: Intellectuality and Spirituality in the Islamic Tradition--A Prelude to the Perennial Philosophy, held at The George Washington University (May 21-22, 2016). Videography courtesy by Quixotic Worx (http://www.quixoticworx.com/).