Every successful business ...

Every successful business creates or provides something of value that other people want or need at a price they're willing to pay, in a way that satisfies the purchaser's needs and expectations and provides the business sufficient revenue to make it worthwhile for the owners to continue operation.
 Josh Kaufman

Quotes from the same author

Business schools don't create successful people. They simply accept them, then take credit for their success.
 Josh Kaufman
A good salesman, as the old (and politically incorrect) saying goes, can sell a refrigerator to an Eskimo. It's a cliché, but there's some truth to it: Inuit who live above the Arctic Circle use insulated refrigerators to keep their food from freezing in subzero temperatures
 Josh Kaufman