Gödel’s friends Albert Einstein and Oskar Morgenstern begged him to avoid this matter in his exam, but, as Morgenstern recalls it, the conversation ended up going like this: The examiner: Now, Mr. Gödel, where do you come from? Gödel: Where I come from? Austria. The examiner: What kind of government did you have in Austria? Gödel: It was a republic, but the constitution was such that it finally was changed into a dictatorship. The examiner: Oh! This is very bad. This could not happen in this country. Gödel: Oh, yes, I can prove it.

— How not to be wrong: the power of mathematical thinking by Jordan Ellenberg