It hates a just way of life. It is the ruin of virtues, the poison of the soul, a worm in the mind. It is the shame of prayer, a cutting off of supplication, a turning away from love
Climacus offers the most sustained patristic anatomy of malice, equating it with the remembrance of wrongs and describing it as a self-perpetuating spiritual pathology that systematically destroys virtue, prayer, and love.
, The Ladder of Divine Ascent, 600thesis