Meaning well, acting well

The pre-eminence of prudence means that so-called "good intention" and so-called "meaning well" by no means suffice. Realization of the good presupposes that our actions are appropriate to the real situation, that is to the concrete realities which form the "environment" of a concrete human action; and that we therefore take this concrete reality seriously, with clear-eyed objectivity.

The Four Cardinal Virtues