The document discusses how to win over clients by asking powerful questions rather than giving advice. It argues that amateurs give advice while experts ask questions to diagnose problems. The key to being more valuable is asking high-level questions that help clients understand their purpose and motivations rather than just factual questions. The document provides examples of high and low-level questions and recommends focusing on questions about goals, challenges, and beliefs. It concludes that the best way to help clients is by being fully present and acting selflessly to serve their needs through thoughtful diagnosis.