To arrive at the definition of the problem he must begin by finding the 'critical factor'. This is the element (or elements) in the situation that has to be changed before anything else can be changed, moved, acted upon.

[Entrepreneurship] is by no means hunch or gamble. But it also is not precisely science. Rather, it is judgment.

Innovation is the specific tool of entrepreneurs, the means by which they exploit change as an opportunity for a different business or a different service.

The true business of every company is to make and keep customers.

Checking the results of a decision against its expectations shows executives what their strengths are, where they need to improve, and where they lack knowledge or information.

One does not start with facts. One starts with opinions.

One cannot hire a hand; the whole man always comes with it.