This comprehensive volume gathers the entire output of the ancient world's most influential thinker, offering a panoramic view of his philosophical development. From the sharp, questioning tone of the early Socratic dialogues to the complex cosmologies and laws of his later years, the collection charts the course of Western thought. Readers can witness the birth of metaphysics, political theory, and ethics through the dramatic interplay of characters and ideas. It is the essential archive of the mind that shaped the intellectual history of Europe.