YOU SAID:
Don’t not start to think about not thinking
INTO JAPANESE
考えないことについて考え始めないでください
BACK INTO ENGLISH
Don't start thinking about what you don't think
INTO JAPANESE
自分が考えていないことについて考え始めないでください
BACK INTO ENGLISH
Don't start thinking about what you aren't thinking about
INTO JAPANESE
あなたが考えていないことについて考え始めないでください
BACK INTO ENGLISH
Don't start thinking about what you aren't thinking about
That didn't even make that much sense in English.