Found this great video on I'll Be Honest.com. Includes parts of sermons by John Piper, Paul Washer, Leonard Ravenhill, Tim Conway & Charles Leiter. It's so good!
"So that we may no longer be children, tossed to and fro by the waves and carried about by every wind of doctrine, by human cunning, by craftiness in deceitful schemes." Ephesians 4:14