Homo Deus: A Brief History of Tomorrow

  • The author asserts that humanity’s greatest challenges up until the 21st century have been famine, infectious disease, and war.
  • Famine meant that large portions of the populations did not know whether they will have access to food to sustain their lives. This meant that when people woke up, they did not know whether they will get enough food for the day to stave off their hunger. This unknowability would persist for long periods of time to the point where people would die because of hunger. And in large numbers.
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