What does oates imply about nature in her reference to Nietzsche William Butler Yeats and Wallace Stevens?

By referencing Nietzsche, Yeats, and Stevens in relation to nature, Oates implies that nature serves as a source of inspiration, contemplation, and reflection for these thinkers. Each of them engaged with nature in unique ways, drawing upon its beauty, power, and complexity to explore philosophical, spiritual, and artistic themes in their work. Oates likely suggests that nature holds a profound significance as a subject of exploration and creative expression for these influential figures.