This document discusses the meaning and importance of discipline. It defines discipline as systematically instructing a person to follow a particular code of conduct. There are two types of discipline: self-controlled discipline, where employees motivate themselves, and enforced discipline, where managers enforce rules. Signs of discipline at work include completing assignments on time, avoiding false commitments, and controlling tempers. The document emphasizes that discipline is vital for success and that without discipline, mankind, society, and nations cannot exist.