History of Jehovah's Witnesses book, "Three Worlds and the Harvest of This World", was published in early 1877. It articulated ideas that remained the teachings of Russell's associates for the next 40 years, many of which are still embraced by Jehovah's Witnesses: it identified a 2520-year-long era called "the Gentile Times", which would end in 1914, and broke from Adventist teachings by advancing Russell's concept of "restitution" — that all humankind since Adam would be resurrected to the earth and given the opportunity for eternal perfect human life. Russell claimed it was the first book to combine biblical end-time prophecies with the concept of
Criticism of Jehovah's Witnesses not read criticism of the organization by "apostates" or material published by other religious organizations. Heather and Gary Botting stated, "Jehovah's Witnesses will brook no criticism from within, as many concerned members who have attempted to voice alternative opinions regarding the basic doctrine or application of social pressure have discovered to their chagrin." Heather and Gary Botting argue that the power of the Watch Tower Society to control members is gained through the acceptance of the Society "quite literally as the voice of Jehovah—God's 'mouthpiece'." Franz claims the concept of loyalty to God's organization has no scriptural support and serves