The document discusses the importance of language preservation and the losses incurred when a language dies. It notes that language is integral to personal and cultural identity, allowing people to understand themselves and the world around them. The loss of a language means losing the cultural knowledge, traditions, and ways of thinking that were unique to that language. When a language disappears, the community loses a key part of its sense of belonging and connection to history. The document argues that language extinction should be avoided wherever possible to prevent such cultural losses.