No benefit comes from a just man's prayer if he who asks for it finds more pleasure in sin than in virtue. For Samuel mourned over Saul when he sinned, but he was not able to obtain God's mercy, for his grief was not supported by the necessary change of life on the part of the sinner. Hence God put an end to the pointless grief of His servant, saying to him, 'How long will you mourn for Saul, seeing I have rejected him from reigning over Israel?' (I Sam. 16:1).
Maximus the ConfessorWhen we think of the height of God's infinity we should not despair of His compassion reaching us from such a height; and when we recall the infinite depth of our fall through sin we should not refuse to believe that the virtue which has been killed in us will rise again. For God can accomplish both these things: He can come down and illumine our intellect with spiritual knowledge, and He can raise up the virtue within us and exalt it with Himself through works of righteousness.
Maximus the ConfessorJust as the thought of fire does not warm the body, so faith without love does not actualize the light of spiritual knowledge in the soul.
Maximus the ConfessorHe who busies himself with the sins of others, or judges his brother on suspicion, has not yet even begun to repent or to examine himself so as to discover his own sins.
Maximus the ConfessorCreated man cannot become a son of God and god by grace through deification, unless he is first through his own free choice begotten in the Spirit by means of the self-loving and independent power dwelling naturally in him.
Maximus the ConfessorThose who seek the Lord should not look for Him outside themselves; on the contrary, they must seek Him within themselves through faith made manifest in action. For He is near you: 'The word is... in your mouth and in your heart, that is, the word of faith' (Rom. 10:8) - Christ being Himself the word that is sought.
Maximus the Confessor...one's movement towards the divine reaches its end only when one reaches God... 'The true Sabbaths are the rest laid up for the people of God' (Heb. 4:9). God can 'bear these sabbaths' (cf. Is. 1:13) because they are true. And the one 'in which the world is crucified' (Gal. 6:14) reaches these sabbaths of rest because he has clearly turned away from worldly things and returned to his own spiritual resting place. The one who arrives there will no longer be moved from his place, for there he finds quiet and tranquility.
Maximus the Confessor