"In order to preserve the mind and body in a perfect condition abstinence from food is not alone sufficient: unless the other virtues are as well joined to it. And so humility must first be learned ... the desire for [the possession of money] must be utterly rooted out ... the madness of anger should be controlled; the downcast look of dejection be overcome ... the disdainfulness of pride be trampled underfoot, and the shifting and wandering thoughts of the mind restrained by continual recollection of God. And the slippery wanderings of the heart should be brought back again to the contemplation of God as often as our crafty enemy, in his endeavour to lead away the mind captive from this consideration, creeps into the innermost recesses of the heart."
Rather than the Stoic meaning of absence of all emotion, for the Byzantine [Orthodox Christian] it means absence "only of wrong emotions, such as malice and the attachment to material things and carnal pleasures .... 'passionlessness' is associated with the manifestation of the highest emotion, that of spiritual love."
"Pharaoh entreated saying: 'May God take away from me this death' (Exodus 10:17), and he was heard. Similarly, when the demons asked the Lord not to cast them into the abyss, their request was granted (Luke 8:31). How much more, then, will a Christian be heard when he prays to be delivered from spiritual death?"
"And grant us, O Lord, when we go to sleep, repose of body and soul; and keep us from the murky slumbering of sin .... And grant us, O God, a watchful mind, a chaste thought, a sober heart, and sleep light and free from all satanic phantasies."