Which theme is reflected in these lines from the novel The Heart is a Lonely Hunter by Carson McCullers?

In his face there came to be a brooding peace that is seen most often in the faces of the very sorrowful or the very wise. But still he wandered through the streets of the town, always silent and alone.
the pettiness of town life
the struggle against loneliness
wisdom as the root of sorrow
heroism as a struggle against society

Question

Which theme is reflected in these lines from the novel The Heart is a Lonely Hunter by Carson McCullers? 

In his face there came to be a brooding peace that is seen most often in the faces of the very sorrowful or the very wise. But still he wandered through the streets of the town, always silent and alone.
the pettiness of town life
the struggle against loneliness
wisdom as the root of sorrow
heroism as a struggle against society

anonymous · Answer

@hitman228

anonymous · Answer

The struggle against loneliness

anonymous · Answer

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Avoid asking your subject open-ended questions.
Show up very early for your appointment.
Write down every word the interviewee says.
Do not interrupt while your subject is speaking.