If you’ve ever heard a sermon on “How I know the Bible is true,” then you know that prophecy is one of the primary pillars used to support the Bible’s authenticity. You may have also heard that the Bible is unique in its prophetic ability (unlike all other forms of prophecy… which are all hooey… and prove nothing).
But before I delve into any specific Bible prophecies, I want to take a look at prophecy in general, and its potential to confirm the Bible and the existence of God.
What is Prophecy?
Prophecy is simply the ability to predict the future. Because the future is unknown, it’s sometimes inferred that someone with prophetic ability must be in contact with someone from another realm, a realm where our future is already known. But proving that someone has accurately predicted the future, and that this information originated from another realm, can be quite challenging.
I believe prophecy could be impressively demonstrated if such a thing exists. But I also believe that there are a lot of non-miraculous explanations that need to be ruled out before concluding a prophecy is proof of an extraordinary claim. With that in mind, here’s my own “Top 20 list” of problems facing prophecy. Enjoy!
Top 20 Problems with Prophecy
1) Everyone who’s anyone is doing it

Prophecy is a popular phenomenon. Nostradamus, astrologers, psychics, palm readers, mediums, cult leaders, fortune cookies, present-day prophets, voodoo priests, religious texts, and your mother’s real estate agent have all claimed to see the future. Regardless of how they do it, the fact that everyone claims to do it should make us skeptical of any claim built upon prophecy.
2) Prophecies are always made prior to their fulfillment
One of the most obvious problems with prophecy is that the prediction always precedes the predicted event. This can lead to self-fulfilling prophecies, confirmation bias, or to people lying about the prophecy’s fulfillment (more on these below). When examining a prophecy, we must make certain that the prophecy couldn’t have influenced the event.
3) Prophecies are often vague
Another common problem with prophecy is that it is often vague and can have many different meanings applied to it. The more meanings it can take on, the greater the probability that someone will find a match.
Specific prophecies are much more compelling. For example, if a modern prophet could repeatedly predict upcoming lottery numbers, or give the GPS coordinates of any missing person, I would find this quite remarkable. I might also accept very specific prophecies, such as ”On May 12, 2017 at 3:14PST, there will be a 7.2 magnitude earthquake in San Francisco that will kill 665 people… and Cameron Diaz.”
4) Prophecies can be self-fulfilling
For example, if Warren Buffet predicts the stock market will crash, everyone may sell and crash the market. Or if millions of people believe that Israel will become a country again, they may work towards seeing this prediction come to fruition.
5) The prophecy may have been probable
Every prediction has its own probability of coming to pass on its own. For example, it means nothing to predict “The sun will rise again tomorrow” or “In the future there will be earthquakes and wars.” If a prophecy is probable, it is of little value.
6) Prophecies may be based on good observation

A good prophet may just be very observant. For example, before watching a chick flick I will sometimes say to my wife, “I predict that they won’t like each other, but then they’ll fall in love, and then he’ll do something stupid, and spend the rest of the movie trying to make up for it.” I’m no prophet; I’ve just seen enough movies to observe a pattern.
7) The power of suggestion may create an expectation
When you read your horoscope, you become aware of what to look for and, as a result, often find it. However, if I hand you last week’s horoscopes with all the signs removed, you’d probably be hard pressed to determine which horoscope was intended for you. Suggestions can create an expectation, which cause us to actively search for events that we would’ve otherwise ignored.
If the Old Testament never predicted a Messiah, would we have ever found one? We seem to find new prophets even when we’re not even looking; how much more then should we find a Messiah when we are looking?
8) We may be ignoring the failed prophecies due to confirmation bias
We humans tend to seek out and interpret information in a way that aligns with our preconceptions. This effect is even stronger for emotionally charged issues and deeply entrenched beliefs.
For example, Christians often point to the destruction of Tyre (Ezekiel 26:1-21) as an example of prophecy, but seem to ignore (or reinterpret) the failed prophecies concerning the destruction and abandonment of Damascus and Egypt (Isaiah 17:1 and Ezekiel 29:8-12). Is there really a good reason for doing this? Or is it confirmation bias?
9) Prophecy may be read into a text where a prophecy was never intended (aka “shoehorning”)
Many religions read prophecies into the Bible to support their own conclusions. For example, many Mormons see the following verse as a prophecy concerning the golden plates that Joseph Smith would one day dig up:
Truth shall spring out of the earth; and righteousness shall look down from heaven. ~ Psalm 85:11
And Muslims see the following verse as a prophecy concerning the coming of Muhammad (not the Holy Spirit):
“Unless I go away, the Counselor [Advocate, Helper, Paraclete, etc.] will not come to you; but if I go, I will send him to you.” ~John 16:7
But did the Bible really predict the coming of Muhammad and the Book of Mormon? Or is it just easy to read whatever you want into the Bible? And if Mormons and Muslims can do it, why not Christians?
Ironically, Jews accuse Christians of reading way too much into their scriptures, while Christians accuse Jews of not reading nearly enough into them. Who is right?
Even Christians disagree with other Christians over how much prophecy should be read into the Bible. Some Christians say there are hundreds of fulfilled prophecies, others say thousands, and still others say tens of thousands. Is prophecy really so subjective that there can be thousands of disagreements over what qualifies?
10) A prophecy may have been written after the fact (aka postdiction)

To prove a prophecy, we must be able to prove it was written before the event it predicted.
11) A prophecy may have been edited after the fact
A prophecy may also have been doctored after the prophesied event. If we don’t have the original documents, it may be impossible to prove that the details remained unchanged from the original prophecy.
12) Failed prophets may have been excluded from the Bible
We don’t know how many tens, hundreds, or thousands of prophetic texts were excluded in antiquity. Perhaps out of a thousand prophetic texts, only a small handful made the final cut many years later.
Imagine we asked 1,000 people to write prophecies about the future, and in 100 years someone compiled a book (with the benefit of hindsight) featuring only the top 10 most impressive predictions. The resulting book might seem quite extraordinary… if you didn’t know they’d eliminated 990 other prophecies.
13) Prophecies may be translated with bias
When going from one language to another, some Christian bias can slip in. For example, if a translator translates Isaiah 53:5 to read “He was pierced for our transgressions” instead of the less compelling (but more accurate) translation ”He was wounded for our transgressions,” then he probably already has someone in mind.
14) The person defending a prophecy may be employing a double standard
If we agree to accept prophecy as proof of a claim, then we must also be willing to accept someone else’s prophecy as proof of their claim, otherwise we may be employing a double standard.

To avoid a double standard, some Christians will claim that other prophecies are a test from God (Deut. 13:1-3). But if competing religions also have fulfilled prophecies, then prophecy alone is no guarantee that God is endorsing that religion.
Additionally, this presumes that the Bible is true. Perhaps Zoroaster’s Ahura Mazda is the real God, and the evil Angra Mainyu has inspired Bible to mislead us. Or perhaps Satan is behind the Jesus story, in an attempt to lure Jews away from God.
15) A prophecy may be considered fulfilled regardless of the outcome
If a prophet says “God will spare your city if you repent,” then he has actually predicted all possible outcomes. If nothing happens, then he predicted God would spare the city. If the city is destroyed, he predicted its destruction.
16) The prophet could’ve gotten lucky
Even prophets sometimes get lucky.
For example, in 2006 Pat Robertson prophesied that “something as bad as a tsunami” would hit the Pacific Northwest. And… well… nothing happened. But had it happened, you can bet he would’ve added it to his resume and played it up on The 700 Club. (For the record, God didn’t warn Pat that 230,000 Indonesians would die from a tsunami in 2004, or that thousands would die from Hurricane Katrina in 2005. God waited until 2006 to warn Pat of a non-event.)
17) A prophecy might be “eternally pending”
If a prophecy doesn’t have a deadline, it increases its odds of coming true and reduces its odds of being labeled a failure. For example, it’s been 2,000 years since Jesus said “I’ll be back,” and this still isn’t labeled a failed prophecy.
18) Failed prophecies can be reinterpreted as being spiritually or metaphorically fulfilled
When a specific prophecy literally fails, you can sometimes claim it was fulfilled spiritually or metaphorically instead of labeling it a failure.
For example, when Harold Camping’s May 21, 2011 rapture prediction failed, he said it was fulfilled spiritually. And when Jesus failed to fulfill a number of Messianic prophecies, his followers simply said He’d fulfilled them spiritually or metaphorically (or they are eternally pending).

19) A prophecy’s fulfillment may have been lied about
It’s easy to lie about details that are difficult to disprove. For example, if Jesus wasn’t actually born in Bethlehem, or didn’t ride into Jerusalem on a donkey, someone could’ve lied about it decades later and no one would be the wiser.
It’s much more difficult to lie about well-known events. For example, you couldn’t lie and say “Jesus became the literal king of Israel!” or “Jesus returned all the Jews to Israel!” or “Jesus brought about world peace!”
When “easily lied about” prophecies are all fulfilled, but “difficult to lie about” prophecies must be fulfilled spiritually, metaphorically or are eternally pending, this should raise suspicions.
20) Prophecies may not be from God
Finally, even if someone could give specific prophecies, it doesn’t guarantee that they are in cahoots with God or Satan. It may be a trick, or extreme luck, or aliens, or Ahura Mazda, or a new unknown god, or they could’ve found ways to predict or control certain events, or they may be from the future or a parallel Universe. Point being, God is being inferred through indirect evidence.
Conclusion

In order for a prophecy to be convincing, it should be:
- declared a prophecy from the beginning (not converted into a prophecy in hindsight),
- highly improbable,
- well out of human control,
- not the result of any cognitive bias,
- specific enough that only one event will satisfy it,
- fulfilled in a narrow time frame,
- fulfilled literally (never spiritually or metaphorically),
- well documented, unedited, and the fulfillment difficult to lie about,
- not hit-and-miss, and
- unchallenged by any equally convincing but competing claims.
I still believe that Bible prophecies can be demonstrated effectively, if they can manage to somehow successfully navigate the gauntlet of aforementioned objections. But with all the problems facing prophecy, it’s a wonder why God would ever choose such a questionable medium to qualify His claims, especially when there are so many other good ways to demonstrate His authority (such as sending fire from heaven, revealing insider information, demonstrably healing His people, or making public appearances).
If God is able to deliver on hundreds of questionable prophecies, but not demonstrate His existence in any other arena, it would lead me to suspect His prophecies are no better than anyone else’s. I’m willing to take an open-minded look into Bible prophecies, but I predict there will be problems.