'The central problem of 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 monolothic consensus that surrounds us. 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 surrounding them.'
Francis Schaeffer, 'The Lord's Work in the Lord's Way' in No Little People, p.66.