John C. Maxwell is a bestselling author and speaker who has sold over 31 million books. He is considered the top leadership expert and has trained millions of leaders worldwide. The document discusses the definition of attitude as a manner of acting, feeling, or thinking that shows one's disposition. It says attitude is reflected through facial expressions, body language, mental set, and mood. It emphasizes having a positive attitude and controlling your frame of mind. The last sentences ask the reader to reflect on what areas of their life could be improved with an "attitude adjustment".