YOU SAID:
For in this river all is found
INTO JAPANESE
この川ではすべてが見つかりました
BACK INTO ENGLISH
Everything was found in this river
INTO JAPANESE
この川ですべてが見つかりました
BACK INTO ENGLISH
Everything was found on this river
INTO JAPANESE
すべてがこの川で見つかった
BACK INTO ENGLISH
Everything was found in this river
INTO JAPANESE
この川ですべてが見つかりました
BACK INTO ENGLISH
Everything was found on this river
INTO JAPANESE
すべてがこの川で見つかった
it is unlikely that this phrase will ever reach equilibrium