Ancient knowledge refers to the wisdom and understanding developed by early civilizations, often passed down through generations. This knowledge encompasses various fields, including astronomy, medicine, agriculture, and philosophy. Cultures such as the Egyptians, Greeks, and Chinese contributed significantly to the body of ancient knowledge, which laid the groundwork for modern science and thought. Many ancient texts, like the Epic of Gilgamesh and the I Ching, serve as valuable resources for understanding historical perspectives. Additionally, practices such as herbal medicine and mathematics from ancient societies continue to influence contemporary practices and beliefs, highlighting the enduring impact of ancient knowledge on today's world.