According to lines 13–15, Bryant believes that if the thought of death makes you "grow sick at heart," you should listen to Nature.

Bryant's perspective, as illustrated in lines 13-15, emphasizes the therapeutic and restorative qualities of nature in times of distress and existential contemplation. The phrase "grow sick at heart" conveys a profound emotional response to the weight of mortality, suggesting that the thought of death can be overwhelming and induce feelings of despair. In this context, Bryant advocates for seeking solace through nature.

Nature, often depicted as a healing force, provides an escape from the anxieties associated with life's impermanence. By urging individuals to listen to nature, Bryant suggests that immersing oneself in the natural world can offer comfort and perspective, alleviating the emotional turmoil tied to the contemplation of death. This idea reflects a broader Romantic belief in the restorative power of nature, where engagement with the beauty and tranquility of the environment fosters introspection and a deeper understanding of life and death. Ultimately, Bryant posits that through nature, one can find peace and clarity amidst the inevitable thoughts of mortality.