Dinner at the Center of the Earth
Meaning of Thresholds
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In the novel Dinner at the Center of the Earth, thresholds serve as symbols for the crossing of boundaries. The world threshold implies a limit of safety; thus, when characters are described as being “at the threshold,” they are on the border between safety and danger. To cross a threshold is to surmount a boundary and perhaps put oneself in foreign territory, oftentimes that of an enemy.