YOU SAID:

I don't want to know about the Japanese, since Japanese are Japanese.

INTO JAPANESE

日本人は日本人だから日本人のことは知りたくない。

BACK INTO ENGLISH

I don't want to know about Japanese people because they are Japanese.

INTO JAPANESE

日本人だから日本人のことは知りたくない。

BACK INTO ENGLISH

I don't want to know about Japanese people because I am Japanese.

INTO JAPANESE

日本人だから日本人のことは知りたくない。

BACK INTO ENGLISH

I don't want to know about Japanese people because I am Japanese.