To act 'according to one’s strength' means to use a little less than necessary both of food, and drink, and sleep... As for food, restrain yourself when you wish to eat a little more, and in this way you will always make use of it moderately.
Before us lie the paths of two thieves. Which path shall we take? The Cross of the Lord was to the Jews a stumbling block; to the Greeks - that is, to the pagans - it was foolishness: how could anyone bow down before an instrument of humiliation, an instrument of torture? They did not understand that by means of this instrument the Lord saved all mankind from the dominion of the devil, from the dominion of sin, from eternal perdition. For the Jews also, the Cross of the Lord was an offense; they wanted to see their messiah as a king of glory, as an earthly king who would exalt the Jewish race. The Cross on which Christ was crucified was for them a stumbling block; Christ’s crucifixion was perceived as an offense, as something senseless, and yet, as the holy Apostle Paul tells us, this stumbling block unto the Jews, this foolishness unto the Greeks is for us Christ the power of God, and the wisdom of God (I Cor. 1:24). What for some spelled perdition, for others became a source of salvation.
Holiness is not simply righteousness, for which the righteous are rewarded with blessedness in the Kingdom of God; rather, it is such a height of righteousness that people are so filled with the grace of God that it flows from them even upon those who associate with them. Great is their blessedness, which proceeds from their direct contemplation of the glory of God. Being filled also with love for men, which proceeds from love of God, they are responsive to men's needs, and at their entreaties they act as mediators and intercessors for them before God.
The nature then of Christ's teaching is attested by His own holy statements: that they who wish to arrive at eternal blessedness may understand the steps of ascent to that high happiness. 'Blessed,' He saith, 'are the poor in spirit, for theirs is the kingdom of heaven.' It would perhaps be doubtful what poor He was speaking of, if in saying 'blessed are the poor' He had added nothing which would explain the sort of poor: and then that poverty by itself would appear sufficient to win the kingdom of heaven which many suffer from hard and heavy necessity. But when He says 'blessed are the poor in spirit,' He shows that the kingdom of heaven must be assigned to those who are recommended by the humility of their spirits rather than by the smallness of their means.
My brother, the passions are afflictions; and so the Lord does not excommunicate us because of them, but He says: 'Call upon me in the time of affliction; and I will deliver thee, and thou shalt glorify me'. Therefore, when beset by any kind of passion, there is nothing more useful than to call upon the Name of God. All we can do, weak as we are, is to flee for refuge to the Name of Jesus. For the passions, being demons, retreat if this Name is invoked.
The designation of a Christian consists in glorifying the Heavenly Father by one's life. Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven (Matt. 5:16). But true glorification of God is possible only if one rightly believes and expresses his right belief in words and deeds.
There is nothing more efficacious against the wiles of the devil, dearly beloved, than the kindness of forgiveness, and the bountifulness in charity, by means of which sin is either avoided or overcome.
What is self-justification? - Self-justification is when a man denies his sin, as we see in the case of Adam, Eve, Cain and others who have sinned but, wishing to justify themselves, denied their sin.
In the beginning there are a great many battles and a good deal of suffering for those who are advancing towards God and afterwards, ineffable joy. It is like those who wish to light a fire; at first they are choked by the smoke and cry, and by this means obtain what they seek -- as it is said, 'Our God is a consuming fire' -- so we also must kindle the divine fire in ourselves through tears and hard work.
I think that for those living in community obedience is a greater virtue than chastity, however perfect. Chastity carries within it the danger of pride, but obedience has within it the promise of humility.
Concerning fasting, do not grieve, as I have said to you before: God does not demand of anyone labors beyond his strength. And indeed, what is fasting if not a punishment of the body in order to humble a healthy body and make it infirm for passions, according to the word of the Apostle: 'When I am weak, then am I strong' (II Corinthians 12:10).
A man is neither saved nor lost by the place he is in, but is saved or lost by his deeds. Neither a holy place nor a holy state is of use to him who does not fulfill the commandments of the Lord.
Men will become proud, ungrateful, rejecting Divine law. Together with the falling away from life will be a weakening of moral life. There will be an exhaustion of good and an increase of evil.
Uniting ourselves with Christ, we receive divine grace which gives human nature strength for victory over sin and death, and the Lord Jesus Christ has shown people the way to victory over sin by His teaching, and He grants them eternal life, making them partakers of His eternal kingdom by His Resurrection. In order to receive that divine grace from Him the closest possible contact with Him is necessary. Drawing all to Himself by His divine love, and uniting them unto Himself, the Lord has united to each other those who love Him and come unto Him, uniting them into one Church.
Leave off all evasions, bend your neck to humility and obedience, and you will receive mercy. If you practice with humility and obedience what you hear from the fathers, God will grant you His blessed help not only in the work you are doing, but will make all your works successful, for He protects the path of those who fear Him and watches their progress.