YOU SAID:

Predicting the future is hard, predicting the past is impossible.

INTO JAPANESE

将来の予測は難しい、過去は可能な予測です。

BACK INTO ENGLISH

Prediction of the future is difficult, the past is possible.

INTO JAPANESE

将来の予測が困難な過去は可能です。

BACK INTO ENGLISH

Future predictions are difficult past is possible.

INTO JAPANESE

将来の予測が困難な過去のことが可能です。

BACK INTO ENGLISH

It is possible that past and future predictions are difficult.

INTO JAPANESE

それは可能な限りその過去と将来の予測が難しい。

BACK INTO ENGLISH

It is possible that past and future predictions are difficult.