See if you can spot the double standard:
Awake!, October 8, 1968, p. 23
"True, there have been those in times past who predicted an 'end of the world,' even announcing a specific date. Some have gathered groups of people with them and fled to the hills or withdrawn into their houses waiting for the end. Yet, nothing happened. The 'end' did not come. They were guilty of false prophesying. Why? What was missing? Missing was the full measure of evidence required in fulfillment of Bible prophecy. Missing from such people were God's truths and the evidence that he was guiding and using them. But what about today? Today we have the evidence required, all of it. And it is overwhelming! All the many, many parts of the great sign of the 'last days' are here, together with verifying Bible chronology."
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*** w84 12/1 18 Keep Ready! ***Alertness or Sluggishness?
13 It is easy for the established churches of Christendom and other people to criticize Jehovah’s Witnesses because their publications have, at times, stated that certain things could take place on certain dates. But is not such line of action in harmony with Christ’s injunction to “keep on the watch”? (Mark 13:37) On the other hand, have Christendom’s churches encouraged Christian watchfulness by teaching that the Kingdom is “the ruling of God in our hearts”? Have they not, rather, encouraged spiritual sluggishness by considering expectation of “the end” to be “meaningless” or “an insignificant myth”? Have apostates who claim that “the last days” began at Pentecost and cover the entire Christian Era promoted Christian alertness? Have they not, rather, induced spiritual sleepiness?
14 True, some expectations that appeared to be backed up by Bible chronology did not materialize at the anticipated time. But is it not far preferable to make some mistakes because of overeagerness to see God’s purposes accomplished than to be spiritually asleep as to the fulfillment of Bible prophecy? Did not Moses make a 40-year miscalculation in trying to act ahead of time to remove Israel’s affliction? (Genesis 15:13; Acts 7:6, 17, 23, 25, 30, 34) Were not Christ’s apostles overanxious to see the Kingdom established, not to speak of their complete misunderstanding as to what the Kingdom really is? (Acts 1:6; compare Luke 19:11; 24:21.) Were not the anointed Christians in Thessalonica impatient to see “the presence of our Lord Jesus Christ” and “the day of Jehovah”?—2 Thessalonians 2:1, 2.