This research article outlines seven lessons in liquidity management aimed at helping investors and managers navigate liquidity risks. It begins by discussing the impact of elevated valuations and the shift towards higher-yielding, less liquid assets, which have heightened liquidity concerns among market participants. The article emphasizes the complexities involved in measuring and managing liquidity risk, highlighting that conventional wisdom can often be misleading. Each lesson addresses different aspects of liquidity, including the effects of regulatory changes on market-making capacity, the implications of concentrated ownership in securities, and the importance of maintaining sufficient liquidity to capitalize on market volatility. The authors provide insights into how liquidity events can create both challenges and opportunities for investors, underscoring the necessity of understanding market dynamics to effectively manage liquidity risks. The piece serves as a guide for those looking to enhance their liquidity management strategies in the face of evolving market conditions.