Summary
This quote suggests that only those close to us, specifically our friends, are likely to "steal" our books. It could be interpreted metaphorically, implying that borrowing or taking books without permission is a minor transgression that friends comfortably commit. Overall, the quote humorously highlights the trust and familiarity between friends, perhaps implying that they feel entitled to freely borrow each other's possessions, such as books, without considering it as stealing.