YOU SAID:

This happens because you're crazy and stupid and will never know anything.

INTO JAPANESE

これは、あなたが頭がおかしくて愚かで、何も知らないからです。

BACK INTO ENGLISH

This is because you are crazy and stupid and know nothing.

INTO JAPANESE

これはあなたがクレイジーでバカで何も知らないからです。

BACK INTO ENGLISH

This is because you are crazy and stupid and know nothing.