Cyril of Alexandria
378-444
“Seeing then that the law condemned sinners and sometimes imposed the supreme penalty on those who disregarded it and was in no way merciful, how was the appointment of a truly compassionate and merciful high priest not necessary for those on earth; one who would abrogate the curse, check the legal process, and free the sinners with forgiving grace and commands based on gentleness? ‘I,’ says the text, ‘I am he who blots out your transgressions for my own sake, and I will not remember your sins’ (Is. 43:25). For we are justified by faith, not by works of the law, as Scripture says (Gal. 2:16). By faith in whom, then, are we justified? Is it not in him who suffered death according to the flesh for our sake? Is it not in one Lord Jesus Christ? (Against Nestorius in Norman Russell, Cyril of Alexandria (London: Rutledge, 2000), p. 165.)
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“For truly the compassion from beside the Father is Christ, as he takes away the sins, dismisses the charges and justifies by faith, and recovers the lost and makes [them] stronger than death. For what is good and he does not give? Therefore the knowledge of God is better than sacrifice and holocausts, as it is brought to perfection in Christ. For by him and in him we have known the Father, and we have become rich in the justification by faith.” (Commentary on Hosea. Alberto Ferreiro, ed., Ancient Christian Commentary on Scripture, New Testament XIV: The Twelve Prophets (Downers Grove: InterVarsity Press, 2003), p. 29.)
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What is meant by mercy? and what by sacrifice? By mercy then is signified, Justification and grace in Christ, even that which is by faith. For we have been justified, not by the works of the law that we have done, but by His great mercy. And sacrifice means the law of Moses.” (Commentary on Luke, Homily 23.)
“Be not troubled when thou meditatest upon the greatness of thy former sins; but rather know, that still greater is the grace that justifieth the sinner and absolveth the wicked. Faith then in Christ is found to be the pledge to us of these great blessings; for it is the way that leadeth unto life, that bids us go to the mansions that are above, that raises us to the inheritance of the saints, that makes us members of the kingdom of Christ.” (Homily 40 on St. Luke.)