'I will grant that, on the whole, churchgoers might be weaker psychologically and morally than non-churchgoers. That should be no more surprising than the fact that people sitting in a doctor's office are on the whole sicker than those who are not there. Churches rightly draw a higher proportion of needy people. They also have a great number of people whose lives have been completely turned around and filled by the joy of Christ.'
Timothy Keller, The Reason for God, p.236.