YOU SAID:
I must not fear. Fear is the mind killer.
INTO JAPANESE
恐れてはいけません。恐れは心を殺すものです。
BACK INTO ENGLISH
Do not be afraid, for fear is the killer of the mind.
INTO JAPANESE
恐れることはありません。恐怖は心を殺すものだからです。
BACK INTO ENGLISH
Do not be afraid, for fear is the killer of the mind.
That didn't even make that much sense in English.