This document discusses the cooperative principle and Grice's maxims of conversation. It provides definitions and examples of the cooperative principle, which describes how people achieve effective communication through cooperation. It outlines Grice's four maxims of quantity, quality, relation and manner. Examples are given of conversations that follow the maxims through clear, truthful and relevant responses. Examples are also provided of conversations that violate the maxims through ambiguous, unrelated or insincere responses. The document analyzes conversations from the play Waiting for Godot in terms of compliance with and violations of Grice's maxims.