What is mortal sin?
Do we have to buy indulgences?
If I go to confession…well, I have sins I am really embarrassed about. Do I have to confess? Will some sins get me kicked out of the Church?
ARTICLE 8
SIN
I. MERCY AND SIN
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The Gospel is the revelation in Jesus Christ of God’s mercy to sinners.113 The angel announced to Joseph: "You shall call his name Jesus, for he will save his people from their sins."114 The same is true of the Eucharist, the sacrament of redemption: "This is my blood of the covenant, which is poured out for many for the forgiveness of sins."115
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"God created us without us: but he did not will to save us without us."116 To receive his mercy, we must admit our faults. "If we say we have no sin, we deceive ourselves, and the truth is not in us. If we confess our sins, he is faithful and just, and will forgive our sins and cleanse us from all unrighteousness."117
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As St. Paul affirms, "Where sin increased, grace abounded all the more."118 But to do its work grace must uncover sin so as to convert our hearts and bestow on us "righteousness to eternal life through Jesus Christ our Lord."119 Like a physician who probes the wound before treating it, God, by his Word and by his Spirit, casts a living light on sin:
Conversion
requires convincing of sin; it includes the interior judgment of conscience, and this, being a proof of the action of the Spirit of truth in man’s inmost being, becomes at the same time the start of a new grant of grace and love: “Receive the Holy Spirit.” Thus in this “convincing concerning sin” we discover
a double gift: the gift of the truth of conscience and the gift of the certainty of redemption. The Spirit of truth is the Consoler.120
II. THE DEFINITION OF SIN
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Sin is an offense against reason, truth, and right conscience; it is failure in genuine love for God and neighbor caused by a perverse attachment to certain goods. It wounds the nature of man and injures human solidarity. It has been defined as "an utterance, a deed, or a desire contrary to the eternal law."121
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Sin is an offense against God: "Against you, you alone, have I sinned, and done that which is evil in your sight."122 Sin sets itself against God’s love for us and turns our hearts away from it. Like the first sin, it is disobedience, a revolt against God through the will to become "like gods,"123 knowing and determining good and evil. Sin is thus "love of oneself even to contempt of God."124 In this proud self- exaltation, sin is diametrically opposed to the obedience of Jesus, which achieves our salvation.125
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It is precisely in the Passion, when the mercy of Christ is about to vanquish it, that sin most clearly manifests its violence and its many forms: unbelief, murderous hatred, shunning and mockery by the leaders and the people, Pilate’s cowardice and the cruelty of the soldiers, Judas’ betrayal - so bitter to Jesus, Peter’s denial and the disciples’ flight. However, at the very hour of darkness, the hour of the prince of this world,126 the sacrifice of Christ secretly becomes the source from which the forgiveness of our sins will pour forth inexhaustibly.
III. THE DIFFERENT KINDS OF SINS
1852 There are a great many kinds of sins. Scripture provides several lists of them. The
Letter to the Galatians contrasts the works of the flesh with the fruit of the Spirit: "Now the works of the flesh are plain: fornication, impurity, licentiousness, idolatry, sorcery, enmity, strife, jealousy, anger, selfishness, dissension, factions, envy, drunkenness, carousing, and the like. I warn you, as I warned you before, that those who do such things shall not inherit the Kingdom of God."127
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Sins can be distinguished according to their objects, as can every human act; or according to the virtues they oppose, by excess or defect; or according to the commandments they violate. They can also be classed according to whether they concern God, neighbor, or oneself; they can be divided into spiritual and carnal sins, or again as sins in thought, word, deed, or omission. The root of sin is in the heart of man, in his free will, according to the teaching of the Lord: "For out of the heart come evil thoughts, murder, adultery, fornication, theft, false witness, slander. These are what defile a man."128 But in the heart also resides charity, the source of the good and pure works, which sin wounds.