YOU SAID:

In his own way he is, perhaps, the most dangerous man who ever lived

INTO JAPANESE

彼自身のやり方で、彼はおそらくこれまで生きた中で最も危険な男です

BACK INTO ENGLISH

In his own way, he's probably the most dangerous man to ever live

INTO JAPANESE

彼自身のやり方で、彼はおそらくこれまで生きてきた中で最も危険な男です

BACK INTO ENGLISH

In his own way, he's probably the most dangerous man to ever live