<prompt> Translate the following text to EnglishAli Cassius Clay aliunda utu wake akijua na kutoka kwa chochote, na kushindwa kwake kwa Sonny Liston kulionyesha mabadiliko katika utamaduni wetu.  <response>: Ali then Cassius Clay created his persona knowingly and from nothing, and his defeat of Sonny Liston marked a turnaround in our culture. 