Final answer:
In the 'Introduction to Songs of Experience,' nature is mentioned as the source for spiritual guidance, suggesting romanticism's value on learning from the natural world.
Step-by-step explanation:
In the Introduction to Songs of Experience, the reader is told to listen to "nature" for spiritual guidance. This is evident from the passage that says, "Let nature be your teacher." The emphasis on learning from nature rather than from conventional religious practices or societal norms is a recurring theme in the literature of this period, reflecting a romantic notion of finding deeper truths in the natural world.