Люди покупают не сверла диаметром 6 миллиметров - они покупают возможность получить отверстия диаметром 6 миллиметров - Josh Kaufman

Every business is fundamentally limited by the size and quality of the market it attempts to serve. The Iron Law of the Market is cold, hard, and unforgiving: if you don’t have a large group of people who want what you have to offer, your chances of building a viable business are very slim.

It is better to have an approximate answer to the right question than an exact answer to the wrong question. — JOHN TUKEY,

The purpose of a customer isn’t to get a sale. The purpose of a sale is to get a customer. — BILL GLAZER, ADVERTISING