Louis R. Tarsitano on the Duty of Professionals
To announce the limits of human skill, and the boundary between the natural and the supernatural, is the primary service that professionals provide to those in their care. Thus, for example, the professional soldier must say to his government, “This much can be accomplished by the means at hand, but the success of any further efforts will require a miracle of divine intervention.” If the governors to whom he speaks are also professionals, they may disagree with him about where to draw the border between the natural and the supernatural, but they will agree that the border must be drawn.
On the other hand, if he is dealing with nonprofessional . . .