"This last was designated for the disposal of waste paper. Similar openings were found in countless places throughout the building, not just in every room but at brief intervals in every hallway. For some reason, these were called memory holes. When someone knew a document was set for destruction, or encountered a scrap of waste paper, it became an automatic response to open the nearest memory hole flap and drop it in, after which it would be whisked away by a warm air current to the huge furnaces concealed somewhere in the depths of the building. (1.4.2)"
His intention was to express that indifference is worse than hatred and anger; Wiesel draws from his experiences during the Holocaust through his words and suffering, highlighting this consideration
Answer:
To put our lives into proper order.
I think it suggests that she might want to dye her hair.