John Chrysostom
There is nothing more tragic than a hardened heart; even when it witnesses miraculous signs and wonders, it remains unashamed and unchanged. Pharaoh, despite enduring multiple plagues, did not recognize his error until he faced the consequences, continuing to be a relentless oppressor of those he had released until his final moments. This is why Paul warns us repeatedly, ‘lest any of you be hardened by the deceitfulness of sin’ (Hebrews 3:13). Just as physical faculties can become lifeless and lose all sensitivity, a soul engulfed by various passions becomes numb to righteousness. Consequently, regardless of what is presented to it, the soul remains unresponsive; even threats of punishment do not penetrate its indifference. Therefore, I urge you, while we still possess the hope of salvation and the opportunity for repentance, let us exercise every possible diligence.