This document discusses the origins and purpose of ethics and codes of ethics. It begins by explaining that ethics originated from early Greek philosophy as a way for societies to determine right and wrong. Codes of ethics help define acceptable standards for organizations and guide members to make morally sound decisions. The purpose of a code of ethics is to outline professional behaviors and apply ethical concepts. The document then discusses the principles of Islamic codes of ethics, which are based on integrity, justice, cooperation and respect. It provides examples of ethics codes for academic and teacher professional organizations.