“The central problem of our age is not liberalism or
modernism, nor the old Roman Catholicism or the new
Roman Catholicism, nor the threat of communism, nor
even the threat of rationalism and the monolithic
consensus which surrounds us [nor, I would add today,
postmodernism or materialistic consumerism or
visceral sensualism or whatever].
All these are dangerous but not the primary threat.
The real problem is this: the church of the Lord Jesus
Christ, individually or corporately, tending to do the
Lord’s work in the power of the flesh rather than of the
Spirit. The central problem is always in the midst of
the people of God, not in the circumstances
Francis A. Schaeffer, No Little People (Wheaton, 2003), page 66.