How do you define joy? John Piper offers his definition in ten minutes. This video is the first of a six-part series on the theme of joy in the book of Philippians.

John Stephen Piper was born in Chattanooga, Tennessee, to Bill and Ruth Piper January 11, 1946. When John and his older sister were still small, the family moved to Greenville, South Carolina, where John spent his growing-up years. His father was an itinerant evangelist, and his mother died in 1974 in a bus accident while visiting Israel.