Gregory the Great
Job seems to assert directly, “If the creature, free from the limitations of the flesh, cannot grasp the nature of God, how can I, weighed down by the fleeting nature of existence, engage in dialogue about His judgments? Just as God's communication to us serves as a reflection of His judgment on our actions, our expressions to God represent the deeds we present before Him. Yet, humans struggle to converse with God using their words, since they cannot place confidence in their actions, while God's judgment remains steadfast. Consequently, he states: ‘Even if righteousness is present in me, I will not respond, but I will appeal to my Judge.’ For it is commonly recognized that any righteousness claimed by humanity can appear as unrighteousness under strict examination.
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Thus, the just are in need of prayer for their deeds. The human mind finds it challenging to translate understanding into action, and frequently, what is comprehended proves to be unnecessary. Let Job declare, “Though I am innocent, I will not respond, but I will appeal to my Judge.” It is as though he communicates, “If I were to achieve the fulfillment of righteous deeds, I would be granted life, not by virtue of my merit, but through boundless mercy.” Therefore, we must rely on prayer when engaging in acts of righteousness, ensuring that our righteous endeavors are tempered by humility.