This document outlines principles for effective time management based on the GTD (Getting Things Done) methodology. The key principles include not keeping tasks in your head, weekly reviews of tasks, using lists to organize work, having one central location to collect all tasks, using a tickler file to schedule tasks and allow deferring work, setting reminders, and establishing a trusted system. Following these principles allows one to feel less stressed, stay focused on current work, take time off when needed, and work more efficiently with an empty inbox. The document provides references to YouTube videos and websites that further explain the GTD approach.