The apostles were very sure that everything of theirs which had to do with salvation was a gift to them from God. 'Increase our faith'. They did not presume that the fullness of faith would come to them merely because they freely opted for it. They believed, rather, that it was a gift of God which would have to be granted to them.

... there is clearly expressed for us? what it is we must attribute either to free will or to the decision and daily assistance of the Lord. We are characterized by whether we respond zealously or lackadaisically to the kindly dispensations of God. This perspective is plainly expressed in the healing of the two blind men. Jesus was passing by, a fact made possible by God's provident grace. And the achievement of their own faith and belief was to cry out 'Lord, son of David, have mercy on us' (Mt. 20:31). The restored sight of their eyes is the gift of divine mercy.

Wherefore a monk's whole attention should thus be fixed on one point, and the rise and circle of all his thoughts be vigorously restricted to it; viz., to the recollection of God, as when a man, who is anxious to raise on high a vault of a round arch, must constantly draw a line round from its exact centre, and in accordance with the sure standard it gives discover by the laws of building all the evenness and roundness required.

No other virtue makes man more equal to the angels, than the imitation of their way of life.

[God] arranged that the boy Samuel should be chosen but instead of teaching him directly He had him turn once or twice to an old man. This youngster, to whom He had granted a direct encounter with Himself, had nevertheless to go for instruction to someone who had offended God, and all because that person was an old man. He decided that Samuel was most worthy of a high calling and yet He made him submit to the guidance of an old man so that once summoned to a divine ministry he might learn humility and might himself become for all the young a model of deference.

...just as the edifice of all the virtues strives upward toward perfect prayer so will all these virtues be neither sturdy nor enduring unless they are drawn firmly together by the crown of prayer. This endless, unstirring calm of prayer... can neither be achieved nor consummated without these virtues. And likewise virtues are the prerequisite foundation of prayer and cannot be effected without it.

A clear rule for self-control handed down by the Fathers is this: stop eating while still hungry and do not continue until you are satisfied.