YOU SAID:

if you tell a big lie and tell it frequently enough, it will be belived.

INTO JAPANESE

大きな嘘をついて、それを十分に頻繁に伝えたら、それは生き続けるでしょう。

BACK INTO ENGLISH

If you tell a big lie and tell it often enough, it will live on.

INTO JAPANESE

大きな嘘をついて、十分に頻繁にそれを伝えるならば、それは生き続けるでしょう。

BACK INTO ENGLISH

If you tell a big lie and tell it often enough, it will live on.