Actually "Correct Thought" is a Gene Wolfe reference =>
> Although Ascian is their mother tongue, adult Ascians don't understand plain Ascian sentences, unless they are direct quotations from governmental propaganda materials (called Correct Thought). So, in order to communicate, an Ascian has to know by heart thousands of these quotations (sentences) on many different topics.
> Although Ascian is their mother tongue, adult Ascians don't understand plain Ascian sentences, unless they are direct quotations from governmental propaganda materials (called Correct Thought). So, in order to communicate, an Ascian has to know by heart thousands of these quotations (sentences) on many different topics.
https://en.m.wikipedia.org/wiki/Ascian_language