The Quiet Genius of Wealth When you hear the term “intelligent investor,” you might think of stock-picking wizards, Wall Street suits, or adrenaline pumped traders. Benjamin Graham, Warren Buffett’s mentor blows that image apart. “The investor’s chief problem and even his worst enemy is likely to be himself.” Boom. Right there, Graham tells us: this book isn’t just about the market. It’s about mastering your emotions, your discipline, and your thinking.