YOU SAID:

If everyone knows everything then there is nothing to know because you won't know everything if everyone knows everything

INTO JAPANESE

誰もがすべてを知っている場合、知ることは何もありません。

BACK INTO ENGLISH

If everyone knows everything, there is nothing to know.

INTO JAPANESE

誰もがすべてを知っていれば、知ることは何もありません。

BACK INTO ENGLISH

If everyone knew everything, there would be nothing to know.

INTO JAPANESE

誰もがすべてを知っていれば、知ることは何もないでしょう。

BACK INTO ENGLISH

If everyone knew everything, there would be nothing to know.