So to be clear here, if I go to confession, forget some sin from my past that is mortal, I am forgiven for all sins at that confession even if I don’t confess them (not on purpose)?
I ask because I was gone from the church for a long time and there was a lot of stuff that happened during that time. Obviously I went to confession when I first came back to the church, and go regularly now. Yet every once in a while something from my past pops up in my memory. Do I still need to confess those sins now, or has all that been covered in the confession(s) I have done since returning? I ask, because I just don’t know. I have been confessing these things as they come along, but the last time I brought up an old sin the priest told me to let it go, and not to bring up those old things anymore. And I’d like to do that, but want to make sure I’m confessing things properly.
A forgotten sin in not a sin that was already confessed, even though it may already be forgiven. If you remember an unconfessed mortal sin, mention it next time, because it would be another sin to not confess it.
Baltimore Catechism No. 3
Q. 796. How is concealing a sin telling a lie to the Holy Ghost?
A. Concealing a sin is telling a lie to the Holy Ghost, because he who conceals the sin declares in confession to God and the priest that he committed no sins but what he has confessed, while the Holy Ghost, the Spirit of Truth, saw him committing the sin he now conceals and still sees it in his soul while he denies it.
Integral means including everything. You want the full benefit of being healed!
CIC Can. 960 Individual and integral confession and absolution constitute the sole ordinary means by which a member of the faithful who is conscious of grave sin is reconciled with God and with the Church. Physical or moral impossibility alone excuses from such confession, in which case reconciliation may be attained by other means also.
I like the way that the eastern Catholic canons express this:
Canon 718
In the sacrament of penance, the Christian faithful who committed sins after baptism, internally led by the Holy Spirit, turn back to God, moved by the pain of sin, intent on entering a new life through the ministry of the priest, having themselves made a confession and accepted an appropriate penance, obtain forgiveness from God and at the same time are reconciled with the Church which they injured by sinning; by this sacrament they are brought to a greater fostering of the Christian life and are thus disposed for receiving the Divine Eucharist.
Canon 732
- The confessor is to offer a fitting cure for the illness by imposing appropriate works of penance in keeping with the quality, seriousness and number of the sins, and considering the condition of the penitent as well as his or her disposition for conversion.
- The priest is to remember that he is placed by God as a minister of divine justice and mercy; as a spiritual father he should also offer appropriate counsel so that the penitent might progress in his or her vocation to sanctity.