In Margaret Atwood's "The Year of the Flood," a key theme revolves around the importance of words and communication in a dangerous world. The quote highlights the cautious approach one must take to safeguard information from adversaries. It suggests that words hold significant power and can be weaponized if they fall into the wrong hands. This sentiment reflects the broader narrative of the novel, where the use and misuse of language symbolize safety and vulnerability. The caution around leaving words unattended speaks to the need for discretion and the inherent risks of sharing thoughts in a hostile environment, emphasizing the stakes involved in survival.