Answer:
Themes are the fundamental and often universal ideas explored in a literary work
Answer: Of Mice and Men, what a nice choice.
Explanation:
We know that the old swamper is careful of his boss, since he seems to only want to glance at him and leave quickly, rubbing his beard as a sign of nervousness. If you want to get into the name swamper, swamper means a person who mops the floor. He's old, and basically just a janitor. He might be afraid that something might happen to him if he was in the precense of his superiors for too long.
I think it means that the sky is not the limit since the moon is farther and there are footprints on it and that you set your own limit.