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AI Summary
- Ray Kroc believed each person makes their own happiness and is responsible for their own problems; started McDonald's at age 52 despite health challenges including diabetes and arthritis
- Kroc was fascinated by the simplicity and effectiveness of McDonald's system—each step stripped to its essence and accomplished with minimum effort
- Kroc signed his contract with the McDonald brothers in 1954 despite being a 'battle-scarred veteran of the business wars,' demonstrating persistent ambition and willingness to start anew