In 2008, millions of people logged on to a 10-week webcast event to study with Oprah and one of the great spiritual thinkers of our time, Eckhart Tolle. Oprah says it was one of the most exciting, eye-opening and meaningful moments of her career. "It still thrills me to think about it," she says.

Though he's a teacher to millions worldwide, many may not know how Eckhart's spiritual journey began. At age 29, this German-born author was a research scholar in comparative literature at the University of Cambridge in England. Despite his success, it wasn't enough to halt bouts anxiety and depression so severe he considered ending his life. In his darkest hour, Eckhart says he experienced an awakening that transformed his life. He walked away from his career to explore his newly discovered inner peace. Eckhart's profound, yet spiritual teachings are the basis for his best-selling books, The Power of Now and A New Earth.

Now, Oprah and Eckhart reuniting on stage for the first time in four years to discuss living in the present moment and more. Watch the videos below for four unforgettable life lessons.

Lesson 1: Staying Present and Finding God
Eckhart says that only through the present moment do you have access to the power of life itself. That power is God. Watch as Eckhart explains why only believing in God is a poor substitute for the reality of God. Plus, watch as he demonstrates the simple exercise you can do to visualize the present moment.

Lesson 2: Your Soul Is Smarter Than Your Head
While reading one of Eckhart's books, Oprah realized he described the true definition of an aha! moment—spirit recognizing spirit. Watch to find out why you probably have known the lessons you learn from aha! moments all along.



Lesson 3: The Secret to Stress-Free Living
Eckhart says stress is wanting something to be the way it isn't. So how do you know when to accept a situation and when to try to change it? Find out how to avoid becoming a victim in your own mind and break free from stress.


Lesson 4: How to Silence the Voices in Your Head
When we announced on Facebook that Eckhart and Oprah were sitting down once again, questions for Eckhart began pouring in. Watch as he answers two of your most burning questions: How do you calm the voice in your head, and how can you clear your mind of bad memories?