The contemporary church needs to remember that the invaluable information gleaned from the social scientist about human behavior must never be seen as a substitute for a personal relationship with the living Lord Jesus similar to that enjoyed by the twelve as they walked the highways and byways together. How they heard His word, studied His reactions, fulfilled His commands and responded to His promises is faithfully recorded for us in Scripture and beautifully applied to our situations in this book. From "The Challenge," A. B. Bruce