“A European says: I can't understand this, what's wrong with me? An American says: I can't understand this, what's wrong with him?”
Interview, quoted in "Words from the Master" http://www.co.uk.lspace.org/books/apf/words-from-the-master.html in The Annotated Pratchett File http://www.co.uk.lspace.org/books/apf/index.html
General sources
Context: As for The Mapp... I suspect it'll never get a US publication. It seemed to frighten US publishers. They don't seem to understand it.
That seems to point up a significant difference between Europeans and Americans:
A European says: I can't understand this, what's wrong with me? An American says: I can't understand this, what's wrong with him?
I make no suggestion that one side or the other is right, but observation over many years leads me to believe it is true.
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Terry Pratchett 796
English author 1948–2015Related quotes

“In general, I feel if you can't say it clearly you don't understand it yourself.”

The Other World (1657)
Context: You imagine that what you can't understand is either spiritual or does not exist. The conclusion is quite wrong; rather there are obviously a million things in the universe that we would need a million quite different organs to understand. For example, I perceive by my senses what makes a magnet point north, what makes tides rise and fall, and what becomes of an animal after death. Your people are not proportioned to perceive such miracles, just as someone blind from birth cannot imagine the beauty of a landscape, the colors of a painting or the shadings of an iris. He will imagine them as something palpable, edible, audible or olfactory. Likewise, if I were to explain to you what I perceive by the senses you do not have, you would interpret it as something that could be heard, seen, touched, smelled or tasted; but it is not like that.
“And I can't believe that I have over 10,000 subscribers. What is wrong with you people?”
"This Just In!" (30 January 2007)
Context: Don't you think that it's amazing that I'm singing into this silly camera with the desk lamp, and it's going through all these wires and everything else, and these computers, and you still feel what I'm feeling, and you still get what I'm trying to do? Yeah. I think its amazing. And I think it's so nice in a period when we're very isolated people, and kind of emotionless people, I think it's great that we can still touch one another and we can still feel what we're feeling, and we can still have fun, and we can be sad, and we can be happy, and to know that someone cares about you — because I really do. I really do.
And I can't believe that I have over 10,000 subscribers. What is wrong with you people?

Quoted by William B. Whitman, The Quotable Politician p. 197.
Attributed
Source: By Any Means Necessary

Quoted by William B. Whitman, The Quotable Politician p. 197.
Attributed