There is an appropriate historical example of this folly of ruling out something ahead of time because it does not fit with one’s view of the world. When explorers first came to Australia, they encountered an animal the defied all known laws of taxonomy. They discovered a semiaquatic, egg-laying mammal, having a broad, flat tail, webbed feet and a snout resembling a duck’s bill. They named this animal the platypus.
Upon returning to their native land, they reported their finding to the world. The people regarded their report as a hoax, since no such animal with the above characteristics possibly exist. Even though there was reputable eyewitness testimony, it was rejected because of their world view.
They went back a second time to Australia, and returned with the hide of a dead platypus. The people accused them of rigging a hoax again. It seems that those people too Benjamin Disraeli’s dictum seriously, “I make it a rule only to believe what I
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