The most probable assumption is that no currently working 'business theory' will be valid 10 years hence.
Peter DruckerNever ask who's right. Start out by asking what is right. And you find that out by listening to dissenting, disagreeing opinions.
Peter DruckerMost innovators are successful to the extent to which they define risks and confine them.
Peter DruckerOne of the great movements in my lifetime among educated people is the need to commit themselves to action. Most people are not satisfied with giving money; we also feel we need to work.
Peter DruckerWhat is the manager's job? It is to direct the resources and the efforts of the business toward opportunities for economically significant results. This sounds trite - and it is. But every analysis of actual allocation of resources and efforts in business that I have ever seen or made showed clearly that the bulk of time, work, attention, and money first goes to problems rather than to opportunities, and, secondly, to areas where even extraordinarily successful performance will have minimal impact on results.
Peter Drucker