Someone who bears a grudge while he prays is like a person who sows in the sea and expects to reap a harvest.
Isaac of NinevehThe Commandments of God are higher than all the treasures of the earth. Whoever has acquired them has received God within himself.
Isaac of NinevehThere is love like a small lamp, which goes out when the oil is consumed; or like a stream which dries up when it doesn't rain. But there is a love that is like a mighty spring gushing up out of the earth; it keeps flowing forever, and is inexhaustible.
Isaac of NinevehIt is impossible to draw near to God without sorrows, without which human righteousness cannot remain unchanged... If you desire virtue, than give yourself to every affliction, for afflictions produce humility. If someone abides in virtue without afflictions, the door of pride is opened to him.
Isaac of NinevehThe man who follows Christ in solitary mourning is greater than he who praises Christ amid the congregation of men.
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