THREE:Charlton said nothing, but from the sound of his laboured breathing it was evident that the spirit of adventure was upon him. They sat there for some time with the two doors open, so that they might see through the grimy windows into the courtyard beyond. It was weary work, and the minutes passed slowly.If there be a class of persons who although not perfectly virtuous are on the road to virtue, it follows that there are moral actions which they are capable of performing. These the Stoics called intermediate or imperfect duties; and, in accordance with their intellectual view of conduct, they defined them as actions for which a probable reason might be given; apparently in contradistinction to those which were deduced from a single principle with the extreme rigour of scientific demonstration. Such intermediate duties would have for their appropriate object the ends which, without being absolutely good, were still relatively worth seeking, or the avoidance of what, without being an absolute evil, was allowed to be relatively objectionable. They stood midway between virtue and vice, just as the progressive characters stood between the wise and the foolish, and preferable objects between what was really good and what was really evil.