This letter focuses on the success of Buffett’s decade-long bet that an S&P 500 index fund would outperform a basket of hedge funds. He critiques the high fees of active management and emphasizes the power of low-cost indexing. Buffett also discusses the massive share repurchases at Apple and their impact on increasing Berkshire’s ownership stake without spending additional capital.

Celebrating Berkshire’s 50th year, Buffett and Munger provide separate essays on the company’s history and future. Buffett outlines the 'Berkshire System,' emphasizing decentralized management and the permanent nature of their capital. He discusses the transition from a struggling textile mill to a diversified conglomerate and expresses confidence in the company’s resilience and culture after his eventual departure.

Buffett details the acquisition of Scott Fetzer and the major investment in Capital Cities/ABC, highlighting the importance of economic goodwill. He explains why businesses with high returns on tangible assets are superior to capital-intensive ones. The letter also marks the closure of the original textile operations, emphasizing that capital should not be committed to businesses with poor economics regardless of sentiment.