6Chapter 4: Heraclitus the Dark - Everything Flows, Nothing Stays
15Chapter 13: The Pre-Socratic Legacy - From Ancient Cosmos to Modern Science
7Chapter 5: Parmenides the Unchanging - Being Is, Non-Being Is Not
16Chapter 14: Eternal Questions - What the First Philosophers Still Teach Us
8Chapter 6: Zeno's Paradoxes - When Logic Challenges Common Sense
17Chapter 15: Reading the Fragments - Approaching Ancient Wisdom
9Chapter 7: Empedocles the Reconciler - Four Roots and Two Forces
18Conclusion: The Wonder That Began Philosophy
