OWN
12/15/2012 12:13 pm ET

Life Questions, Answered by Marianne Williamson, Michael Singer and Other Spiritual All-Stars (VIDEO)

Finish this sentence: "I believe in…"

Spiritual thinkers and thought leaders from around the globe have shared their answers to that question on "Super Soul Sunday" in the past year.

"I believe that we are here with deep purpose to become all that we can be," scholar and philosopher Jean Houston tells Oprah in this clip. "I believe that we are headed ultimately in the right direction. I believe that we have been given sufficient stress, crisis, complexity and consciousness to do things that are beyond our imagination, larger than our aspirations, more complex than all our dreams."

Watch the video to get more insights on faith and belief from bestselling author Marianne Williamson, Hollywood producer and author DeVon Franklin, The Untethered Soul author Michael Singer and others.

Plus, New York Times bestselling author Sarah Ban Breathnach, spiritual teacher Caroline Myss and the other thought leaders define "love" for Oprah.

"[Love is] the essence we breathe, the essence of our heartbeat," says Sarah.

Tune in Sunday, Dec. 16, at 11 a.m. ET on OWN for the "Super Soul Sunday" soul-to-soul extravaganza with best-of moments from the show and exclusive, never-before-seen footage.

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