Final answer:
The central idea presented in the text about education and its purpose is that it shapes one's understanding of life and their role in nature, emphasizing critical thinking and environmental consciousness.
Step-by-step explanation:
The central idea presented in the text about education and its purpose is that it plays a role in shaping an individual's understanding of life and their place in nature. It emphasizes the importance of critical thinking, questioning prevailing cultural beliefs, and being mindful of the impact of human actions on the environment.