• Christians do not influence the lives of other people, and consequently have little impact on the national culture, primarily because they have failed to integrate their spiritual beliefs and their behavior.
• Christianity is not losing influence in America because it is overmatched by challenges of the day; it is losing its impact because believers have been unsuccessful at merging faith and lifestyle outside the walls of the church.

From the Barna Report, November/December 1997 (Word Ministry Resources), quoted in The Promise Keeper, January, 1999, p. 6