Wikipedia:KNOW

"It ain't ignorance causes so much trouble; it's folks knowing so much that ain't so."

Which is sometimes cited as "The trouble ain't what people don't know, it's what they know that ain't so."

Ronald Reagan used the quote: "Well, the trouble with our liberal friends is not that they're ignorant; it's just that they know so much that isn't so.”

Thus it makes sense for all editors to admit their own fallibility when they assert that they "know" something to be true.

Benjamin Franklin in his speech on the Federal Constitution said:

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