The Intelligent Investor is a foundational book on value investing that teaches readers how to make disciplined, long-term investment decisions while minimizing risk. It emphasizes the importance of understanding the difference between investing and speculation, encouraging investors to focus on the intrinsic value of companies rather than short-term market trends. Through principles such as “margin of safety,” emotional discipline, and rational analysis, the book guides readers on how to build and preserve wealth steadily over time. It also highlights how investor psychology plays a major role in financial success, warning against emotional reactions to market fluctuations.