Unsourced: Quotes widely attributed to the author or work but not sourced to an original work or reputable secondary publication. Read more at Wikiquote:Sourced and Unsourced sections.
- “The purpose of anthropology is to make the world safe for human differences”
- Widely quoted (including as an Internet meme and in a speech by Barack Obama), but unconfirmed by a source according to Ryan Wheeler. The quote may be stem from a passage in The Chrysanthemum and the Sword:"The tough-minded are content that differences should exist. They respect differences. Their goal is a world made safe for differences…"