Which theme is addressed in both “We Wear the Mask” and "A Man Said to the Universe"?

In “We Wear the Mask,” the speaker describes people concealing their pain under a cheerful appearance, suggesting they are affected by pressures around them. In “A Man Said to the Universe,” the universe responds indifferently to the man’s claim that he exists, showing how small and powerless a person can be before larger forces. Both poems address people’s vulnerability to the forces around them.

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