We've learned a lot through out three-part history of philosophy graphic series. What started out as a look at the traditional western trajectory of philosophy, starting with the pre-socratics and ending with current western philosophical traditions ended up needing some augmentation. We next looked to eastern philosophy, which has roots set much earlier than philosophy in the west. Before 2000 BC, Sumerians and those living in what is now India were already laying the groundwork for modern science, weaving wisdom texts into ethical systems, and above all being lovers of knowledge.