Theophylact of Ohrid — as excerpted in the Catena Aurea on Mark 7:24-30

“The soul of each of us also, when he falls into sin, becomes a woman; and this soul has a daughter who is sick, that is, evil actions; this daughter again has a devil, for evil actions arise from devils. Again, sinners are called dogs, being filled with uncleanness. For which reason we are not worthy to receive the bread of God, or to be made partakers of the immaculate mysteries of God; if however in humility, knowing ourselves to be dogs, we confess our sins, then the daughter, that is, our evil life, shall be healed.”