YOU SAID:
A rolling stone catches no moss
INTO JAPANESE
転がる石には苔はつかない
BACK INTO ENGLISH
A rolling stone gathers no moss
INTO JAPANESE
転がる石には苔がつかない
BACK INTO ENGLISH
There is no moss on a rolling stone
INTO JAPANESE
転がる石の上に苔はない
BACK INTO ENGLISH
There is no moss on the rolling stones
INTO JAPANESE
転がる石の上には苔はない
BACK INTO ENGLISH
There is no moss on the rolling stones
That didn't even make that much sense in English.