The richest man in American history wrote 38 secret letters to his son. They weren't about money. They were ruthless psychological principles J.D. Rockefeller used to build empires worth more than most countries. Here's 9 principles he really taught his heir: 🧵 https://t.co/HWTmbuEdMw

The 38 Letters From J.D. Rockefeller to His Son

G. Ng • 2 highlights

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Cover of The 38 Letters From J.D. Rockefeller to His Son