Hesychius of Jerusalem
In a similar manner, if an individual performs righteous actions and publicly boasts about them, his words will lead him into wrongdoing, for he will succumb to arrogance, which is the legacy of the treacherous and truly wicked. If a person appears faultless yet fails to acknowledge the Source of his righteousness, placing trust solely in himself and becoming proud and arrogant, he will face condemnation—clearly, the hand of God has turned away from him.