I'd have to say both Muhammad Ali and Malcolm X.
Both stood by their beliefs and led lives that've impacted millions.
They're both very well-spoken.
They're also inspirational in going from chaotic beginnings to becoming 2 of the most influential people in modern history.
Tim Ferris, his enthusiasm for knowledge, and guests on its podcast have opened so many doors in my life, that wouldn't have known about through my own research or interests.
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