Do not befoul your intellect by clinging to thoughts filled with anger and sensual desire. Otherwise you will lose your capacity for pure prayer and fall victim to the demon of listlessness.
He who has been granted the gift of knowledge and yet nurses bitterness, rancor or hatred towards another is like one who pricks his eyes with thorns and thistles. Thus knowledge of necessity has need of love.
He who like Job and the courageous martyrs bears the assaults of unsought-for trials and temptations with an unshakeable will is a powerful lamp; for by his bravery and patience he keeps the light of salvation burning, since he possesses the Lord as his strength and his song. (cf. Ps. 118: 14).
To those who do not long for it, wisdom is fear, because of the loss which they suffer through their flight from it; but in those who cleave to it, wisdom is loving desire, promoting an inner state of joyous activity. For wisdom creates fear, delivering a person from the passions by making him apprehensive of punishment; and it also produces loving desire, accustoming the intellect through the acquisition of the virtues to behold the blessings held in store for us.
Restrain the excitable power of your soul by love; mortify the desiring power by self-mastery; give wings to the thinking power by prayer, and the light of your mind will never be dimmed.
The person who truly wishes to be healed is he who does not refuse treatment. This treatment consists of the pain and distress brought on by various misfortunes. He who refuses them does not realize what they accomplish in this world or what he will gain from them when he departs this life.
Unless curbed by the fear of God that accompanies the practice of the virtues, spiritual knowledge leads to vanity; for it encourages the person puffed up by it to regard as his own what has merely been lent to him, and to use his borrowed intelligence to win praise for himself. But when his practice of the virtues increases concomitantly with his longing for God, and he does not arrogate to himself more spiritual knowledge than is needed for the task in hand, then he is made humble, reduced to himself by principles which are beyond his capacity.
Love and self-control free the soul from passions; spiritual reading and contemplation deliver the intellect from ignorance; and the state of prayer brings it into the presence of God Himself.
The one who prays ought never to halt his movement of sublime ascent toward God. For just as we should understand the ascent 'from strength to strength' as the progress in the practice of the virtues, 'from glory to glory' (2 Cor. 3:18) as the advance in the spiritual knowledge of contemplation, and the transfer from the letter of sacred writing to its spirit, so in the same way the one who is settled in the place of prayer should lift his mind from human matters and the attention of the soul to more divine realities.
Suffering cleanses the soul infected with the filth of sensual pleasure and detaches it completely from material things by showing it the penalty incurred as a result of its affection for them. This is why God in His justice allows the devil to afflict men with torments.
Do not lend your ear to the tongue of the slanderer, nor your tongue to the ear of him who likes malicious talk, speaking or listening with enjoyment to words against one's neighbor. Cut yourself off from them, lest you fall away from love of God and find yourself exiled from eternal life.
If the words of God are uttered merely as verbal expressions, and their message is not rooted in the virtuous way of life of those who utter them, they will not be heard. But if they are uttered through the practice of the commandments, their sound has such power that they dissolve the demons and dispose men eagerly to build their hearts into temples of God through making progress in works of righteousness.