For example, comparing the original 1957 edition to the 1987 edition, among the numerous alterations, is the replacement of his dedication of the book to "The First Guardian of the Baháʼí Faith" to simply "The Guardian."
For instance, comparing the original 1957 edition with the 1987 edition reveals modifications including the replacement of his book's dedication from "To the First Guardian of the Baháʼí Faith" to simply "The Guardian."