Seyyed Hossein Nasr | In The Beginning Was Consciousness

Although he doesn't use the term "Perennial Philosophy," the worldview presented in this lecture is representative of the Perennial Tradition.  This is a fascinating lecture regardless of your religious viewpoint; it's worth listening to the whole thing if you have the time.

Seyyed Hossein Nasr is an Islamic Philosopher.  He teaches at George Washington University.
 

On May 1, 2003, Professor Seyyed Hossein Nasr, one of the world's leading experts on Islamic science and spirituality, delivered the 2003-04 Dudleian Lecture. Professor Nasr is University Professor of Islamic Studies at George Washington University and the author of numerous books, most recently The Heart of Islam: Enduring Values for Humanity.