In ( 21 Lessons for the 21st Century ), historian Yuval Noah Harari shifts his focus from the distant past ( Sapiens ) and the far future ( Homo Deus ) to the urgent challenges of the present moment . Published in 2018, the book is structured as a collection of 21 essays exploring how individuals can navigate an era defined by technological disruption, political polarization, and existential uncertainty. Core Themes and Key Insights
The book is divided into five parts that categorize the most pressing issues of our time: 21 Lektionen fГјr das 21. Jahrhundert