Authors:

Great indeed is Fear; but it is not, as our military enthusiasts believe and try to make us believe, the only stimulus known for awakening the higher ranges of men's spiritual energy.

William James, Frederick Burkhardt, Fredson Bowers, Ignas K. Skrupskelis (1982). “Essays in Religion and Morality”, p.173, Harvard University Press
Great indeed is Fear; but it is not, as our military enthusiasts believe and try to make us believe, the only stimulus known for awakening the higher ranges of men's spiritual energy.