"It is impossible for us to calculate the vast amount of utterly unnecessary sorrow and terror and misery which mankind in the aggregate has suffered simply from its ignorance and superstition with regard to this one most important matter. There is amongst us a mass of ·false and foolish belief along this line which has worked untold evil in the past and is causing indescribable suffering in the present, and its eradication would be one of the greatest benefits that could be conferred upon the human race."