The Aztecs, a civilization that thrived in the heart of modern-day Mexico from the 14th to the 16th century, were known for their complex social structure, impressive architectural feats, and educational system. At the top of the social hierarchy was the Emperor, followed by nobles, warriors, merchants, and farmers. Remarkably, they constructed grand cities, like Tenochtitlan, with intricate temples and roads, using only rudimentary tools. Their religion was central to their lives, with rituals and human sacrifices made to appease their gods. Despite the gruesome nature of these sacrifices, they were integral to the Aztec understanding of the cosmos. The Aztecs also valued education, with schools for both nobles and commoners. Their writing and calendar systems were remarkably advanced, capturing detailed histories and tracking celestial movements. Above all, the Aztecs left us with a clear message: civilization isn't merely about technological progress, but about the richness of culture and the depth of understanding we have about the world around us.