Things economic and social move by their own momentum and the ensuing situations compel individuals and groups to behave in certain ways whatever they may wish to do-not indeed by destroying their freedom of choice but by shaping the choosing mentalities and by narrowing the list of possibilities from which to choose.

Entrepreneurial profit is the expression of the value of what the entrepreneur contributes to production.

All we can thus far say about the duration of the units of [the business cycle] and each of [its] two phases is that it will depend on the nature of the particular innovations that carry a cycle,... and the financial conditions and habits prevailing in the business community in each case.

Recognition of the inevitability of comprehensive bureaucratization does not solve the problems that arise out of it.

Nothing is so treacherous as the obvious.

The strategic stimulus to economic development in Schumpeter's analysis is innovation, defined as the commercial or industrial application of something new---a new product, process or method of production, a new market or source of supply, a new form of commercial, business or financial organization.

The religious quality of Marxism also explains a characteristic attitude of the orthodox Marxist toward opponents. To him, as to any believer in a Faith, the opponent is not merely in error but in sin. Dissent is disapproved of not only intellectually but also morally. There cannot be any excuse for it once the Message has been revealed.