Yuval Noah Harari's Homo Deus: A Brief History of Tomorrow examines humanity's past, present, and future. The book explores historical events like famines and plagues, demonstrating how human ingenuity has overcome them. Harari then analyzes the shifts in human priorities, arguing that famine, plague, and war are giving way to the pursuit of immortality, happiness, and divinity.

He discusses the role of technology in achieving these goals and the potential consequences of such advancements. Finally, the book explores the changing nature of human identity and the potential for a post-human future where humans lose control and meaning.