this sentence simply implies a lesson for Laertes to think before acting or speaking. The term "thoughts" in the phrase are personified into having a human form of "tongue" and the ability to act. Additionally, the word "tongue" is also used metaphorically in the speech. The creativeness of Shakespeare helps the audience and the context to stress the importance to think twice before you speak. Context wise, this speech is important because Hamlet perfectly executes and applies this quote to his life. Although the Shakespeare did not wrote this advice for Hamlet, but he certainly applies this context to Hamlet when he struggles to kill his uncle due to uncertainty. Every actions that Hamlet tries to take, he thinks twice because he wants avoid