21 Lessons For the 21st Century provides a kind of instruction manual for the present day to help readers find their way around the 21st century, to understand it, and to focus on the really important questions of life.
Harari presents this in the distinctive, informal, and entertaining style that characterized his previous books. The topics Harari examines in this way include major challenges such as international terrorism, fake news, and migration, as well as turning to more personal, individual concerns, such as our time for leisure or how much pressure and stress we can take.
21 Lessons for the 21st Century answers the overarching question: What is happening in the world today, what is the deeper meaning of these events, and how can we individually steer our way through them? The questions include what the rise of Trump signifies, whether or not God is back, and whether nationalism can help solve problems like global warming.