This episode explores investment strategies with Sir Chris Hohn, focusing on identifying companies with sustainable competitive advantages or "moats." Hohn emphasizes that high barriers to entry, such as irreplaceable physical assets like airports and intellectual property like advanced aircraft engines, are crucial for long-term investment success. Growth is considered less important than the sustainability of these moats, especially if it's "profitless growth" seen in industries like airlines. The discussion pivots to the types of companies Hohn avoids, including banks, auto manufacturers, and traditional asset managers, due to their competitive nature and unpredictable earnings. More significantly, Hohn advocates for a long-term investment horizon, averaging eight years, and using Discounted Cash Flow (DCF) analysis to identify undervalued companies, citing Moody's as an example of a company whose long-term growth has been consistently underestimated. Emerging from the conversation is a reflection on the role of conviction and independent thinking in investment, as well as the importance of philanthropy and a shift in consciousness towards service and purpose.