Learning is not doing; it is reflecting on doing. T. S. Eliot writes in one of his poems, “We had the experience but missed the meaning.” Reflection … - Henry Mintzberg Storch

Data don't generate theory – only researchers do that.

We find that the manager, particularly at senior levels, is overburdened with work. With the increasing complexity of modern organizations and their problems, he is destined to become more so. He is driven to brevity, fragmentation, and superficiality in his tasks, yet he cannot easily delegate them because of the nature of his information. And he can do little to increase his available time or significantly enhance his power to manage. Furthermore, he is driven to focus on that which is current and tangible in his work, even though the complex problems facing many organizations call for reflection and a far-sighted perspective.

The professional administrators — especially those at higher levels — serve key roles at the boundary of the organization, between the professionals inside and interested parties — governments, client associations, and so on — on the outside. On the one hand, the administrators are expected to protect the professionals' autonomy, to "buffer" them from external pressures. On the other hand, the administrators are expected to woo these outsiders to support the organization, both morally and financially. Thus, the external roles of the manager—maintaining liaison contacts, acting as figurehead and spokesman in a public relations capacity,negotiating with outside agencies—emerge as primary ones in professional administration.