The beginning of divine wisdom is clemency and gentleness, which arise from greatness of soul and the bearing of infirmities.
Isaac of NinevehBehold, for years and generations, the way of God has been leveled by the cross and by death. How is this with thee, that thou seest the afflictions of the way as if they were out of the way? Doest not thou wish to follow the steps of the saints? Or doest thou wish to go a way which is especially for thee, without suffering? the way unto God is a daily cross. No one can ascend unto heaven with comfort, we know where the way of comfort leads.
Isaac of NinevehSpeech is the organ of this present world. Silence is the mystery of the world to come.
Isaac of NinevehLet there always be a preponderance of mercy with you, even though you don't feel such mercy in yourself, as God has for the world ... A cruel and merciless heart is never purified. A merciful man is the doctor of his own soul, because as it were a by a strong wind from is heart he drives out the darkness of the passions.
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