"No one can come in contact with children and young people without feeling the need of a united effort on the part of the parents, physicians and teachers to lessen the immoral tendencies, with their degrading effects, to which the present generation is subjected. Knowledge of the right sort will prevent many wrecked lives. Ignorance as to facts and to the best manner of presenting them prevents many a parent from daring to trespass upon such sacred ground, and the instruction is postponed from day to day until it is too late. "