“Why, O Lord,” says he, “have You withdrawn afar off?”. Then he who thus inquired, as if all on a sudden he understood, or as if he asked, though he knew, that he might teach, adds, “You despise in due seasons, in tribulations:” that is, You despise seasonably, and causest tribulations to inflame men's minds with longing for Your coming. For that fountain of life is sweeter to them that have much thirst. Therefore he hints the reason of the delay, saying, “Whilst the ungodly vaunts himself, the poor man is inflamed”. Wondrous it is and true with what earnestness of good hope the little ones are inflamed unto an upright living by comparison with sinners. In which mystery it comes to pass, that even heresies are permitted to exist; not that heretics themselves wish this, but because Divine Providence works this result from their sins, which both makes and ordains the light; but orders only the darkness, that by comparison therewith the light may be more pleasant, as by comparison with heretics the discovery of truth is more sweet. For so, by this comparison, the approved, who are known to God, are made manifest among men.
1. “They are taken in their thoughts, which they think:” that is, their evil thoughts become chains to them. But how become they chains? “For the sinner is praised,” says he, “in the desires of his soul”. The tongues of flatterers bind souls in sin. For there is pleasure in doing those things, in which not only is no reprover feared, but even an approver heard. “And he that does unrighteous deeds is blessed.” Hence “are they taken in their thoughts, which they think.”
2. “The sinner has angered the Lord”. Let no one congratulate the man that prospers in his way, to whose sins no avenger is near, and an approver is by. This is the greater anger of the Lord. For the sinner has angered the Lord, that he should suffer these things, that is, should not suffer the scourging of correction. “The sinner has angered the Lord: according to the multitude of His anger He will not search it out.” Great is His anger, when He searches not out, when He as it were forgets and marks not sin, and by fraud and wickedness man attains to riches and honours: which will especially be the case in that Antichrist, who will seem to man blessed to that degree, that he will even be thought God. But how great this anger of God is, we are taught by what follows.
3. “God is not in his sight, his ways are polluted in all time”. He that knows what in the soul gives joy and gladness, knows how great an ill it is to be abandoned by the light of truth: since a great ill do men reckon the blindness of their bodily eyes, whereby this light is withdrawn. How great then the punishment he endures, who through the prosperous issue of his sins is brought to that pass, that God is not in his sight, and that his ways are polluted in all time, that is, his thoughts and counsels are unclean! “Your judgments are taken away from his face.” For the mind conscious of evil, while it seems to itself to suffer no punishment, believes that God does not judge, and so are God's judgments taken away from its face; while this very thing is great condemnation. “And he shall have dominion over all his enemies.” For so is it delivered, that he will overcome all kings, and alone obtain the kingdom; since too according to the Apostle, who preaches concerning him, “He shall sit in the temple of God, exalting himself above all that is worshipped and that is called God.”
Source: The Enarrations, or Expositions, on the Psalms (New Advent)