Friday, May 17, 2013

With Due Respect: Extraordinary claims require extraordinary evidence


A criticism of miracles

In the 1980, popular cosmologist Carl Sagan made a comment concerning miracles in episode 12 of his famous TV series, Cosmos.

"Extraordinary claims require extraordinary evidence."

This statement became dubbed as "Sagan's Dictum" and is often used by atheists and sceptics to dismiss the eyewitness accounts of Jesus's miracles and resurrection.

To be fair, this statement is healthy as it encourages checking of claims. Too many a time, we see reports on how honest, hardworking people are conned of their valuables by cheats or charlatans. Too often we are too trusting and take wholly the word of advertisements.

However this statement is flawed to some extent. Let me explore why.

1) Self-refuting claim
This statement itself is an extraordinary claim! Because it claims to be true for all possible extraordinary claims. We cannot prove this claim to be true with extraordinary evidence.

2) How much evidence?
Furthermore, the person asking for evidence tends to not to define the how much evidence would be considered extraordinary, and whether this demand is reasonable. Let's take the claim for Jesus's resurrection.

More evidence?
Some people argue that if Jesus really rose from the dead, there would be much more accounts than the Gospels (Mark, Matthew, Luke and John). However the fact that most people living that time period were illiterate, and the fact that we even have copies of the original manuscripts is extraordinary!

Higher quality evidence?
Some people argue that since the Gospels were written so some time after the life of Jesus that they cannot be considered accurate. The copies of the original Gospel manuscripts were written about 100 to 200 years and sceptics often claim for evidence of a higher quality (copies closer to the events themselves).

However, when we compare the copies of the Gospels to other records of the Antiquity (i.e. that that time period of Ancient Romans and Greeks), the Gospels are of extraordinary quality! The earliest copies of Caesar's Gallic Wars were written 1,000 years after the events,  but few doubt the events happen. The earliest copies of Aristotle were written 1,100 years after his lifetime, but no one doubts that there were Aristotle original works.

A different kind of evidence?
Lastly, some people demand a different criteria for reliability. Some people lament the lack of video evidence (why should there be?) or more secular records of Christ. However, we have to wonder why such demand is resonable.

3) Flawed reasoning
The statement also fails to acknowledge that extraordinary claims need not extraordinary evidence. For instance, in 2008 I won a poker tournament despite having zero experience at card competition and only played poker at a recreational event once before. Despite this being a highly unlikely event, I did not have any supernatural evidence for it.

My friends witnessed the event, I have a trophy to show for it and my victor was announced by the emcee. None of this evidences can be considered extraordinary, yet none of my friends doubted the event.

Conclusion
While Sagan's Dictum sounds intelligent on paper and encourages proof-checking, it is inherently flawed.

For further reading

Apologetics

CARM

For evidence on the resurrection of Christ-- bethinking

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