“Mission is not something the church does as an activity; it is what the church is through the mystery of its formation and memory of its calling. The church is God’s missionary people. There is no participation in Christ without participation in God’s mission in the world.”
Alan J. Roxburgh;M. Scott Boren. Introducing the Missional Church: What It Is, Why It Matters, How to Become One (p. 45). Kindle Edition.