"Travelers among the North American Indians have been struck with the almost entire absence of that abandonment to vice which might be expected in a race uninfluenced by the moral restraints of Christianity. When first discovered in their native wilds, they were free from both the vices and the consequent diseases of civilization. This fact points unmistakably to the conclusion that there must be something in the refinements and perversions of civilized life which is unfavorable to chastity, notwithstanding all the restraints which religion and the conventionalisms of society impose. Can we find such influences? Yes; they abound on every hand and leave their blight in most unwelcome places, oft unsuspected, even, till the work of ruin is complete."