What is the meaning of the comparison the author makes in paragraph 5 with the simile "Like the body, memory protects its wounds"?

Keeping this in view, what does like the body memory protects its wounds mean? Memory not only honors those we lost but also gives us strength. Like the body, memory protects its wounds. When day breaks after a sleepless night, one's ghosts must withdraw; the dead are ordered back to their graves.The author put this in to tell a story relating to his topic and to tell how memory is important. Summary: Without memory we couldn't be able to remember the past and without the past, there is no future.

Explanation:

the answer is:  

he is voicing feelings shared by all humans regardless of race.

in paul laurence dunbar's poem "we wear the mask," he replicates the words mask and we to emphasize how people in general -not just black americans- hide their true feelings. he suggests the masks cover people's faces and eyes, which are the main parts that display their emotions. he also thinks people's pain conceal behind those masks, so that they cannot see reality and nobody is able to see one another's sorrow.

- "is not only a luminous passive watcher in the night sky, but it is a powerful force.

it does symbolizes love,   lust   and dreaming and is seen as a power symbolic force that determines and affects human behaviors and reactions.

in the context of the question it does remain you that he events are only taking place at night and the reader of the passage of time."