Pastor Joel Osteen’s Full Sermon “The Power of ‘I Am'” | Oprah’s Life Class | Oprah Winfrey Network
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Pastor Joel Osteen’s Full Sermon “The Power of ‘I Am'” | Oprah’s Life Class | Oprah Winfrey Network

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…