A Call for Every Christian to Move from Shallow Living to Deep Faith. In The Dangers of a Shallow Faith, renowned theologian A.W. Tozer warns believers in Christ against the great danger of spiritual lethargy. He urges Christians to be aware of the times in which they live and to recognize how attempting to live a life for God on autopilot will actually undermine their faith. For Tozer, the risks are so significant that "breaking out from the tyranny...