The Theaetetus of Plato With a Revised Text and English Notes by Lewis Campbell

Reviewers widely praise this book as a seminal and foundational text in epistemology, recognized for its deep and sustained investigation into the fundamental question of "What is knowledge?" Many highlight its significant influence on subsequent philosophers and the development of the field itself. Readers appreciate the engaging and witty nature of the Socratic dialogue, finding it thought-provoking and effective in challenging their own preconceived notions. The depiction of Socrates is often found entertaining, and his "midwife" metaphor for guiding intellectual inquiry is seen as a wonderful and insightful image of teaching. The work is lauded for fostering intellectual humility and encouraging a more conscious and critical approach to one's own beliefs, emphasizing the importance of collaborative inquiry and mutual correction.

Despite its importance, many reviewers find this dialogue to be one of Plato's most technical, complex, and demanding works, requiring intense concentration. A common point of frustration is its aporetic conclusion, as the dialogue ends without offering a definitive answer to the central question of knowledge, leaving some readers feeling muddled or dissatisfied. Some critics observe that Socrates tends to dominate the conversation, which can feel at odds with his "midwife" analogy, and a few found certain arguments redundant or circular. Additionally, the dialogue's departure from or implicit challenge to Plato's other well-known philosophical concepts can be confusing for readers expecting a consistent exposition of his broader theories. Some translations are also noted for having distracting footnotes or challenging linguistic choices.

Ultimately, while acknowledged as a difficult read, this book is considered a valuable and essential philosophical text. Its primary strength lies not in providing definitive answers, but in rigorously exploring the complexities of knowledge and demonstrating the challenges inherent in its definition. It is highly recommended for readers already familiar with Plato's broader works and classical philosophy, or for those deeply interested in the historical foundations of epistemology who are prepared for an abstract and open-ended intellectual journey. The dialogue's enduring relevance to contemporary discussions about truth and belief makes it a significant work for anyone seeking to cultivate critical thinking and a nuanced understanding of what it means to know.