Faith becomes more penetrating the better the dispositions of the will. Whoever will do the will of Him (of my Father) will know whether my doctrine is of God or whether it is mine, the Lord will say on another occasion to the Jews. When one is not willing to cut with a bad situation, when one does not seek with right intention only the glory of God, the conscience can darken and remain without light to understand even what seems evident. "Man, carried away by his prejudices, or instigated by his passions and ill will, can not only deny the evidence, which is before him, of external signs, but resist and reject also the superior inspirations which God infuses into souls." If good will is lacking, if it is not oriented to God, then the intelligence will encounter many difficulties on the path of faith, obedience or surrender to the Lord. How many times have we experienced in the personal apostolate how many doubts of faith have disappeared in our friends when they finally decided to make a good Confession! "God allows himself to be seen by those who are able to see him, because they have the eyes of the mind open. For all have eyes, but some have them bathed in darkness and cannot see the light of the sun. And it is not because the blind do not see it that the sunlight ceases to shine, but this darkness is to be attributed to their defect of vision ".
To perceive the penetrating clarity of faith, "we need the humble dispositions of the Christian soul: not to want to reduce the greatness of God to our poor concepts, to our human explanations, but to understand that this mystery, in its obscurity, is a light that guides the life of men (...). ...] With this acceptance, we will know how to understand and love; and the mystery will be for us a splendid teaching, more convincing than any human reasoning".
The moral dispositions (cleanness of heart, humility, uprightness of intention...) are so important that at times it can be said that darkness before the will of God, ignorance of one's own vocation, doubts of faith, even the very loss of this theological virtue, have their roots in the rejection of the demands of morality or of the divine will9. St. Augustine recounts his experience when he was still far from the Lord: "I came to find myself," the Saint affirms, "without any desire for incorruptible food, not because I was full of it, but because the emptier I was, the more I rejected it. Let us purify our gaze, even of those specks that impair our vision, however small they may be; let us rectify our intention many times - to God be all the glory - in order to see Jesus who visits us so often.