I do not consider a prophecy to have failed unless it was not fulfilled. The only way one can know if a prophecy was fulfilled is by comparing what it says to what has actually happened. Sure, there is a lot of interpretation involved. For example, regarding in Daniel 12:4, one has to know what kind of knowledge the verse is referring to and how much that knowledge was increased in order to know if the prophecy was fulfilled.
Yes, there has been a steady increase in knowledge ever since man learned how to write, but there has been an exponential increase in knowledge since the mid 19th century.
We live in the most remarkable of times. The transformation of the material conditions of humanity has a cause. Do we really believe that the human beings who came before us were incapable of what we see in the world today? Great civilizations have come before in history – yet none of them broke out of the same reality that has existed since the dawn of agriculture.
It is only in this time that humanity has passed into an entirely new reality. It has a cause. A cause larger than humanity itself.
In 1844, in Shiraz, the Bab, Baha’u’llah’s immediate forerunner, spoke these words:
The secret of the Day that is to come is now concealed. It can neither be divulged nor estimated. The newly born babe of that Day excels the wisest and most venerable men of this time, and the lowliest and most unlearned of that period shall surpass in understanding the most erudite and accomplished divines of this age.[
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A short time before, on the other side of the planet on 24 May 1844,
within a day of the Bab’s declaration of his mission, Samuel Morse, the inventor of the telegraph sent its first message from Washington to Baltimore. The message read as follows:
What hath God Wrought? , citing a passage from the Bible.