John Cassian

The deadly poison of anger has to be utterly rooted out from the inmost corners of our soul. For as long as this remains in our hearts and blinds with its hurtful darkness the eye of the soul, we can neither acquire right judgment and discretion nor gain the insight that springs from an honest gaze or ripeness of counsel, nor can we be partakers of life, or retentive of righteousness or even have the capacity for spiritual and true light: "for," says one, "my eye is disturbed by reason of anger."