"The World as Will and Idea (Vol. 1 of 3)" by Arthur Schopenhauer is a philosophical work first published in 1818. Building on Kant's transcendental idealism, Schopenhauer argues that the world exists as "representation" in our minds, while its inner essence is a blind, unconscious will—the root of all suffering. Through four books, he explores how aesthetic experience offers temporary escape, though true redemption requires complete denial of the will to life. This single thought, examined from multiple perspectives, became his life's work.
Wikipedia page about this book: en.wikipedia.org/wiki/The_World_as_Will_and_Representation Translation of "Die Welt als Wille und Vorstellung."