Be dead in life, and you will not live in death. Let your soul die strenuously, and not live in weakness. Not only those who suffer death for the sake of faith in Christ are martyrs; but also those who die because of their observance of His commandments.
Isaac of NinevehThe wisdom of the Holy Spirit is much greater than the wisdom of the entire world. Within the wisdom of the Holy Spirit, silence prevails; the wisdom of the world, however, goes astray into idle talk.
Isaac of NinevehAs a handful of sand thrown into the ocean, so are the sins of all flesh as compared with the mind of God.
Isaac of NinevehNo one can sense his own weakness is at least a small temptation is not allowed to afflict either his body or his soul. Then, comparing his weakness to the help of God, a man comes to know its magnitude. But whoever does not know that he needs God's help, let him make many prayers. Insofar as he multiplies them, in that measure will he be humbled.
Isaac of Nineveh