Contemporary American churches in particular do not require following Christ in his example, spirit, and teachings as a condition of membership-either of entering into or continuing in fellowship of a denomination or a local church.... Most problems in contemporary churches can be explained by the fact that members have not yet decided to follow Christ.
Dallas WillardThe real issue relating to exclusiveness is whether or not the Christian actually has a relationship with God, a presence of God, which non-Christians do not have. Apart from Christian spiritual formation as described here, I believe there is little value in claiming exclusiveness for the Christian way.
Dallas WillardHappiness in reality consists only in rest, and not in being stirred up. This instinct conflicts with the drive to diversion, and we develop the confused idea that leads people to aim at rest through excitement.
Dallas Willard