It's the sermon that changed the way Oprah sees her life. Watch as Pastor Joel Osteen, one of America's favorite preachers, reveals the power of the words "I am" during a Sunday sermon at Lakewood Church in Houston. Find out why Pastor Osteen says anything is possible if you have the faith to believe it. For more Oprah's Lifeclass visit www.oprah.com/OprahsLifeclass Find OWN on TV at www.oprah.com/FindOWN SUBSCRIBE: bit.ly/1vqD1PN The Emmy award-winning “Oprah’s Lifeclass” is a richly interactive worldwide social experience for millions of students who participate in inspiring conversations with Oprah Winfrey on-air, online and via social media. For each episode, Oprah is joined by a hand-picked expert, and together they interact with viewers to share principles and tools that can help people live more meaningful and fulfilling lives. About OWN: Oprah Winfrey Network is the first and only network named for, and inspired by, a single iconic leader. Oprah Winfrey's heart and creative instincts inform the brand -- and the magnetism of the channel. Winfrey provides leadership in programming and attracts superstar talent to join her in primetime, building a global community of like-minded viewers and leading that community to connect on social media and beyond. OWN is a singular destination on cable. Depth with edge. Heart. Star power. Connection. And endless possibilities. Discover OWN TV: Find OWN on your TV!: bit.ly/1wJ0ugI Our Fantastic Lineup: bit.ly/1qMi2jE Connect with OWN Online: Visit the OWN WEBSITE: bit.ly/1qMi2jE Like OWN on FACEBOOK: on.fb.me/1AXYujp Follow OWN on TWITTER: bit.ly/1sJin8Y Follow OWN on INSTAGRAM: bit.ly/LnqzMz Follow OWN on PINTEREST: bit.ly/1u0CqR6 Pastor Joel Osteen's Full Sermon "The Power of 'I Am'" | Oprah's Lifeclass | Oprah Winfrey Network www.youtube.com/user/OWN