YOU SAID:

He who is walking the walk does not talk the talk

INTO JAPANESE

散歩をしている者は話をしない

BACK INTO ENGLISH

the stroller does not talk

INTO JAPANESE

ベビーカーはしゃべらない

BACK INTO ENGLISH

stroller doesn't talk

INTO JAPANESE

ベビーカーがしゃべらない

BACK INTO ENGLISH

stroller doesn't talk