“Noxious foods give trouble when taken into the body; but as soon as he feels the pain, the person who has eaten them can quickly take some emetic and so be unharmed. Similarly, once the intellect that has imbibed evil thoughts senses their bitterness, it can easily expel them and get rid of them completely by means of the Jesus Prayer uttered from the depths of the heart. “
(St Hesychios the Priest On Watchfulness, Philokalia)