21 Lessons for the 21st Century: Book Summary & Analysis

Israeli born Yuval Noah Harari is a historian and philosopher who was born in Haifa, Israel, and received his PhD from Hebrew University of Jerusalem in the Department of History. He is the author of Sapiens: A Brief History of Humankind, Homo Deus: A Brief History of Tomorrow, and 21 Lessons for the 21st Century. All Harari books have sold millions of copies worldwide, and have been translated in many countries. Sapiens has been chosen to be adapted to film by Hollywood.

Harari's books are very popular with progressives and they ask questions about such thoughts as what he describes as the "cognitive revolution", and how it affected language development; the agricultural revolution, and how the scientific method accelerated everything. His opinion in his book concerning future consequences of the futuristic biotechnological world is that "Homo sapiens as we know them will disappear in a century or so".

Harari practices Vipassana meditation, he is a vegan, and does not own a smartphone. He became vegan because in his research he developed the view that the dairy industry is breaking the bond between mother cow and calf.