This quote from Terry Pratchett's '(The Truth)' offers a satirical and somewhat provocative glimpse into society's perceptions of privacy and the unfamiliar. It suggests that what is foreign, or unfamiliar, can often be just as uncomfortable or taboo as what is private, revealing a cynical view of human nature's resistance to the unknown. Pratchett's humor often lies in examining societal norms by exaggerating or highlighting their absurdities, and this quote exemplifies that approach.

The statement makes us think about how humans categorize and judge different aspects of life, especially those related to privacy and cultural differences. Often, what is considered private is culturally specific, deeply ingrained in societal values, and yet individuals frequently perceive it as taboo to explore or even acknowledge these boundaries. Conversely, things deemed 'foreign'—whether in terms of geography, culture, or ideas—are sometimes met with suspicion or discomfort, not necessarily because of their inherent nature, but because they challenge our familiarity and comfort zones.

Pratchett's wit invites us to reflect on whether these distinctions are truly meaningful or merely constructs of social convention. It encourages us to question our biases and consider whether our rejections of the unfamiliar are justified or merely safety mechanisms. This tone of dark humor prompts readers to examine their own prejudices and the arbitrary nature of societal taboos.

In a broader sense, the quote also touches on the human tendency to fear the unknown and to project discomfort onto those things that don't fit neatly within our existing worldview. It challenges us to consider how social conditioning shapes our perceptions and whether embracing the unfamiliar with curiosity might ultimately be more beneficial than disdain or avoidance.