Sapiens
What You Will Learn
00:00
The Unification of Humankind
Ferrari's new book, The 21 Lessons for the 21st Century, is out in August. In it he talks about four major revolutions that have shaped human history. He says they include agriculture and money as well as a willingness to admit ignorance. Ferrari: "It was interesting stuff, a lot of history, not my usual warehouse of interest" For me? I'll give it a seven.
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