What's the Difference Between a Hero Trade and a Mistake?

Yamen: Buffett is a people person that understands people. Yamen: He has an unbelievable business mind, but he's just looking for durable companies and prudent caretakers. Yamen says the only ascent that matters for the entire human race are other humans. "The critical thing in life ... i think, for anybody, is to create a good network of humans"