Sublime

homophily, the tendency for people to connect with other people who are like themselves.

This book is, first, an attempt to resolve these confusions and, second, with the resolution in hand, an attempt to produce the coherent account of tacit knowledge.

He is suggesting that communication technology has limited the number of hyperspecialists required to work on a particular narrow problem, because their breakthroughs can be communicated quickly and widely to others—the Yokois of the world—who work on clever applications.

“collider.”

People aren’t governed by their demography; they are governed by their cultural subscriptions, which are reflected in their tribal memberships.

Connolly’s primary finding was that early in their careers, those who later made successful transitions had broader training and kept multiple “career streams” open even as they pursued a primary specialty.

California Institute of Technology’s John Hopfield