Whitman is saying the best and true way to understand the nature is not scientific but intuitive and mystical. He has explained that he was not able to understand the nature by listening to the lectures and dealing with charts and diagrams but he can feel and understand the nature by being in nature. In the first setting from the first half, he has explained the unhealthy and unfriendly relationship of people with nature since people are busy on detailing every facts of the nature with the scientific invention. In the second setting from the second half he has explained the relationship with nature as natural with no human intervention. I agree to only some extent because there should be scientific discovery of nature in order to exist in the
