YOU SAID:

nothing kills a man faster than his own head

INTO JAPANESE

自分の頭より速く男を殺すものは何もない

BACK INTO ENGLISH

Nothing to kill a man faster than his head

INTO JAPANESE

彼の頭より速く人を殺すことは何もない

BACK INTO ENGLISH

There is nothing to kill people faster than his head

INTO JAPANESE

彼の頭より速く人を殺すことは何もない

BACK INTO ENGLISH

There is nothing to kill people faster than his head