They scribbled observations in notebooks. - Reid Hoffman

a company’s business model describes how it generates financial returns by producing, selling, and supporting its products.

old economy” businesses often have low gross margins. Growing wheat is a low-margin business, as is selling goods in a store or serving food in a restaurant.

A leader’s job is not to put greatness into people, but rather to recognize that it already exists, and to create the environment where that greatness can emerge and grow.