There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Born into poverty on a farm in Missouri he was the author of How to Win Friends and Influence People (1936) a massive bestseller that remains popular today. He also wrote How to Stop Worrying and Start Living (1948) Lincoln the Unknown (1932) and several other books.