Eckhart Tolle and Oprah: What IS an Aha Moment, Anyway? (VIDEO)

If you've ever had an aha moment, you might have thought you learned something totally new. But according to spiritual teacher Eckhart Tolle, author of A New Earth and The Power of Now, your soul actually might be a bit of a know-it-all.

"The real truths of life are never entirely new to you -- or to anybody -- because there is a level deep down within you where you already know all those spiritual truths," Eckhart tells Oprah in this preview of their Nov. 11 "Super Soul Sunday" conversation. "It's not new information."

Oprah says she was glad to reunite with Eckhart on "Super Soul Sunday" because their 2008 Web series was so inpirational for her. "That was the beginning of 'Oprah's Lifeclass'," she says. "Eckhart Tolle has been a profound wisdom teacher in my life."

Watch "Super Soul Sunday" every Sunday at 11 a.m. ET/PT on OWN.