Berkshire Hathaway had to evolve decade after decade as different competitive forces emerged; Buffett wouldn't have bought Apple or Coca-Cola in his early partnership days but had to learn new things with Munger's help, demonstrating the necessity of continuous learning even for the greatest investors.

Winners (high-performing stocks) tend to keep winning by hitting new all-time highs; a great business with a stock that has gone up and to the right should continue if the business remains excellent—the implication being that trend-following and quality often align.

The US Strategic Petroleum Reserve is drawn down to 364 million barrels, 50% below its 2011 peak, and has been sharply drawn since mid-2021, reducing a critical buffer for energy security

Index fund growth creates distortions and mispricings in certain market pockets where investors aren't looking, providing opportunities for value investors who search beyond index components

Berkshire repurchased 5% of shares outstanding from 2019 to 2020, 4.3% in 2021, and 1.2% in 2022, resulting in shareholders increasing their stake by over 11% cumulatively without purchasing additional shares themselves

Berkshire's Q1 2023 operating earnings increased from 7.1 billion to just over 8 billion, with expectations that 2023 business will be slower than 2022 due to 2022's exceptional performance

Value investing when done right with proper diversification into multiple great businesses with strong earnings growth provides a reliable wealth-building approach, especially when powered by continuous compounding.

Berkshire Hathaway achieved approximately 18,000x returns (an 18,000-bagger) as of the time Mayer wrote his book, representing exceptional outperformance versus the S&P 500 and establishing it as the biggest winner in his 100-bagger study.

Berkshire Hathaway has never paid a dividend, instead reinvesting all earnings, which is presented as a model for companies pursuing long-term compounding and 100-bagger returns.

Higher interest rates may shift the valuation multiples at which high-quality companies trade, potentially making them more attractively valued than in the recent low-rate environment.

Barton Biggs recommended putting at least 75% of assets into stocks, and he reached this conclusion despite being pessimistic in his analysis and including survivalist content, based on studying how different stock markets performed during very bad times.

Copart's competitor Insurance Auto Auctions paid dividends to investors while Copart reinvested its cash, and over the long term this capital allocation difference drove Copart's market share from roughly 50/50 parity to 60/40 dominance.

Higher quality companies typically trade at higher valuations or multiples, creating a catch-22 for investors who want to buy great businesses but face premium pricing.

Mark Leonard at Constellation released a letter stating the company would discontinue special dividends to deploy that cash back into the business, with an executive initially 'bugging' him to make this decision before he agreed.