I used to believe that, if you were up to learn a foreign language, you should look at a book and 'decode', like 's=y', 'u=a',"n=j", so the word 'sun' would be 'yaj' in other language for example.
A childhood belief about foreign languages

others believed things like this
- I used to think that foreign people coughed and sneezed in a different language.— Even more stupid
- I used to believe, that I am able to speak every foreign language only by learning "their" alphabet.— matej
- I would speak in gidderish, convinced that it was some foreign language I had never heard of— Molly
- I used to believe that anyone speaking a foreign language translated it into english in their head— galen
- I used to believe that translating from language into language was only a matter of changing letters ! :) — EwS
- I used to believe that if I spoke with whatever accent a language was in, I was speaking that language...— Renae