On Certainty

On Certainty compiles philosophical notes written by Ludwig Wittgenstein in his final eighteen months, assembled after his death in 1951 by Elizabeth Anscombe and G.H. von Wright. The text consists of 676 numbered passages exploring fundamental questions about knowledge, doubt, and certainty. The work examines G.E. Moore's "here is one hand" argument and investigates how humans can claim to know anything with absolute certainty. Wittgenstein analyzes the role of basic empirical propositions that serve as foundational beliefs in human practices and language games. Wittgenstein challenges traditional philosophical skepticism by demonstrating that radical doubt contains inherent contradictions. His arguments show that certain propositions must be accepted without question for any meaningful discourse or inquiry to take place. The book stands as a significant contribution to epistemology, presenting a fresh perspective on the relationship between knowledge, doubt, and the fundamental certainties that underpin human understanding and behavior.

Readers note the fragmentary and unpolished nature of these philosophical notes, which Wittgenstein wrote in his final years. Many describe it as dense but rewarding, offering insights into knowledge, doubt, and certainty. Readers appreciate: - Clear examples and analogies that illuminate complex ideas - The systematic dismantling of skeptical arguments - Fresh perspective on epistemology and knowledge foundations Common criticisms: - Repetitive passages and circular arguments - Lack of clear structure or progression - Difficulty following the thread of arguments - Translation issues in some editions Ratings across platforms: Goodreads: 4.2/5 (2,100+ ratings) Amazon: 4.4/5 (90+ ratings) Sample review: "Like trying to assemble a puzzle where the pieces keep changing shape. Frustrating but fascinating." - Goodreads reviewer Several readers recommend starting with Wittgenstein's other works before attempting On Certainty, noting it assumes familiarity with his earlier philosophical framework.

Two Dogmas of Empiricism by W.V.O. Quine This seminal work challenges fundamental assumptions about knowledge and meaning through a systematic critique of analytic-synthetic distinction, connecting to Wittgenstein's examination of basic certainties.

Mind and World by John McDowell McDowell addresses the relationship between mind and reality, exploring how human understanding operates within a framework of given certainties that shape our experience of the world.

Philosophy and the Mirror of Nature by Richard Rorty Rorty's critique of traditional epistemology parallels Wittgenstein's approach by questioning foundational assumptions about knowledge and truth.

Knowledge and Its Limits by Timothy Williamson This text examines the nature of knowledge and its boundaries, building upon themes of certainty and doubt that Wittgenstein explored in his final work.

Philosophical Investigations by Ludwig Wittgenstein This earlier work by Wittgenstein establishes the conceptual framework and linguistic analysis methods that culminate in the ideas presented in On Certainty.

🔹 Wittgenstein wrote these reflections in his notebooks while staying with his doctor in 1951, during his final battle with cancer, making them his last philosophical writings before his death. 🔹 The book was compiled from three notebooks found after Wittgenstein's death, with the entries originally written in a secret code he developed to protect his private thoughts. 🔹 While responding to G.E. Moore's work, Wittgenstein composed the book entirely without consulting Moore's texts, working purely from memory of Moore's arguments. 🔹 The numbered format of the book (676 separate paragraphs) was not Wittgenstein's choice but was implemented by the editors during compilation to make the fragmentary notes more accessible. 🔹 Despite being unfinished and unpolished, "On Certainty" has become one of the most influential works in epistemology, inspiring both analytic and continental philosophers in their approaches to knowledge and doubt.