The most important lesson I learned from a mentor was the best things happen when you make people who do different things talk to each other.

WSJ: Music, the Brain, Medicine and Wellness | With Music on Their Mind | By Stuart Isacoff

But the most important lesson here, is that a chef is not enough.

FORBES: Restaurants Are Like Facebook

This is perhaps the single most important lesson of Retrofit, which is basically a high-end coaching service.

FORBES: Three Lessons a Hot Midwestern Weight-Loss Startup Can Teach Us About Digital Health