Jehovah's Witnesses With these interpretations, Jehovah's Witnesses' publications have made various predictions about world events they believe were prophesied in the Bible. Failed predictions have led to the alteration or abandonment of some doctrines. Some failed predictions had been presented as "beyond doubt" or "approved by God". The Watch Tower Society rejects accusations that it is a false prophet, stating that its interpretations are not inspired or infallible, and that it has not claimed its predictions were "the words of Jehovah." Chryssides has suggested that with the exception of statements about 1914, 1925 and 1975, the changing views and dates of the
Criticism of Jehovah's Witnesses that acceptance of blood fractions from donated blood is a matter of conscience. A 2006 issue of Jehovah's Witnesses' newsletter "Our Kingdom Ministry" stated, "Although [Jehovah's Witnesses] do not donate or store their own blood "for transfusion purposes", some procedures or tests involving an individual’s blood are not so clearly in conflict with Bible principles. Therefore, each individual should make a conscientious decision" [emphasis added]. Raymond Franz has challenged these policies because acceptable blood fractions can only be derived from stored blood provided by donors. Regardless of the medical considerations, Jehovah Witnesses advocate that physicians should uphold the right of