Via Jeff Cornwall :

A no nonsense approach to fail on paper. Its better to assess gaps and opportunities before impulsively jumping in to the business. The same opinion was voiced by Micheal E Gerber in his book E-Myth where he used the term technician’s seizure . It captures the situation where a person,  a technician who is good at one skill thinks that he should start a business with out giving thought to various aspects of the business that go along with it