YOU SAID:
I must not fear || Fear is the mind killer
INTO JAPANESE
恐れてはいけない || 恐怖は心を殺す
BACK INTO ENGLISH
Don't be afraid || Fear kills the mind
INTO JAPANESE
恐れるな || 恐怖は心を殺す
BACK INTO ENGLISH
Don't be afraid || Fear kills the mind
That didn't even make that much sense in English.