• What 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 F. Drucker, Harvard Business Review (2016). “The Peter F. Drucker Reader: Selected Articles from the Father of Modern Management Thinking”, p.33, Harvard Business Review Press