Answer:
They reveal some truth about humanity.
They stay pertinent to any audience.
Explanation:
The theme in a literary work refers to the central subject to which the work is referring. These subjects are striking, profound and impacting to the reader. They address something that is pertinent about humanity and that should be discussed within a more visible context, through a literary narrative. Because it is so credible to human beings, the theme remains relevant to the public throughout the reading.
There are several things that might be symbolized by the word bridge in this line from the poem, but perhaps one thing would be the connections that you form in life.
