Satan is far more earnest in his efforts to divert a soul from sanctity than to divert her from sin. It is rather his own wickedness than the tempter's malice that leads man to sin; but it is more the tempter's malice than human wickedness that impedes perseverance in the way of perfection, when once that course has been seriously embraced, (p. 15.)
From the book entitled, The Interior of Jesus and Mary. From the French of Pere Grou, S.J. Edited by the Rev. S. H. Fristee, S.J. New York : Catholic Publication Society ; London: Burns and Oates.
Via Patrick Madrid
Along the way, he makes a few startling comments about how the evil one tries to subvert children and, in particular, he advises parents to be on guard against letting a certain "strange man" speak directly to their children.