In this Deep Dive episode, our hosts discuss the meaning and implications of a candid 1849 admonition about staying put, Andrew Carnegie’s life and philanthropic legacy, and a remarkable athletic record by a centenarian.

• 📜 A 1849 warning to new arrivals — we analyze the line "don't turn around and go right back again" as advice about commitment, sunk costs, migration economics, and the social supports that make staying viable.
• 🎂 Andrew Carnegie (1835) — a close look at his immigrant-to-steel-magnate story, vertical integration and cost strategies, and how his library and education philanthropy functioned as social infrastructure.
• 💡 Larry Lewis's 1969 100-yard dash (17.8s) at age 101 — what this record says about aging, lifelong activity, and the long-term value of investing in health and community supports.

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