" Nevertheless, repression is something quite peculiar and is more sharply differentiated from the other mechanisms than they are from one another. I should like to make this relation to the other mechanisms clear by an analogy [...] Let us imagine what might have happened to a book, at a time when books were not printed in editions but were written out individually. We will suppose that a book of this kind contained statements which in later times were regarded as undesirable [...] At the present day, the only defensive mechanism to which the official censorship could resort would be to confiscate and destroy every copy of the whole edition. At that time, however, various methods were used for making the book innocuous. One way would be for the offending passages to be thickly crossed through so that they were illegible. In that case they could not be transcribed, and the next copyist of the book would produce a text which was unexceptionable but which had gaps in certain passages, and so might be unintelligible in them. Another way, however, if the authorities were not satisfied with this, but wanted also to conceal any indication that the text had been mutilated, would be for them to proceed to distort the text. Single words would be left out or replaced by others, and new sentences interpolated. Best of all, the whole passage would be erased and a new one which said exactly the opposite put in its place. The next transcriber could then produce a text that aroused no suspicion but which was falsified. "
― Sigmund Freud ,
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