It shows what can help you or shows whats important
Montresor tells all of his servants that they must stay in the house. He also tells him that he is going out and will not return until much later. Since the story takes place during a popular festival, the servants want to leave and join the partying. Montresor knows that if he tells the servants he won't be back for a while the servants will leave the house anyways. Since he is not there to make sure that they are doing what he's asked, the servants will go off and do whatever they want.
The following lines show us that Haemon believes that the opinions of the Theban citizens should be heeded:
"The commons stand in terror of thy frown,
And dare not utter aught that might offend,
But I can overhear their muttered plaints,
Know how the people mourn this maiden doomed
For noblest deeds to die the worst of deaths."
The citizens, according to Haemon, are too scared of defying Creon; however, Haemon can hear their objections to his decision, and he knows that they are on Antigone's side. They believe she is dying unfairly, and he respects their opinion, which is why he brings it to his father.
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An inference is something that can be assumed, typically about a situation, character, or plot in literature