If, therefore, I see that my fellow human being is engaged in some action, and if I have some reason to surmise that he is not entirely acquainted with the particular circumstances, or if I know for certain that he has an incorrect view of these circumstances, it is then my duty to correct his error without any further ado and without first waiting to be summoned by him to do this; for he is in danger of doing something that is contrary to his own end, and when I am engaged in the moral way of thinking I am not indifferent to the occurrence of something contrary to one's end.