Bishop John H. Vincent, D.D., LL.D.
“You have handled with great delicacy and wisdom an exceedingly difficult subject.”
John Willis Baer
“I feel confident that it can do great good, and I mean that my boys shall have the contents placed before them.”
Mrs. Mary A. Livermore, LL.D.
“Full of physiological truths, which all children ought to know, at a proper age; will be read by boys without awakening a prurient thought.”
Josiah Strong, D.D.
“A foolish and culpable silence on the part of most parents leaves their children to learn, too often from vicious companions, sacred truth in an unhallowed way.”
“What a Young Man Ought to Know.”