Strategic quitting is the secret of successful organizations

Books work as an art form (and an economic one) because they are primarily the work of an individual.

Once you have permission to talk to someone, finding new products or services for them is a smart way to grow.

Evolution is the most popular way we have for dealing with change.

Marketing is the act of inventing the product. The effort of designing it. The craft of producing it. The art of pricing it. The technique of selling it.

Don't find customers for your products, find products for your customers.

Developing expertise or assets that are not easily copied is essential; otherwise you're just a middleman.