The Grace of the Holy Spirit has the power to justify us, that is, to cleanse us from our Sins and to communicate to us "the righteousness of God through Faith in Jesus Christ" and through Baptism: 34

Through the power of the Holy Spirit we take part in Christ's Passion by dying to Sin, and in his Resurrection by being born to a new life; we are members of his Body which is the Church, branches grafted onto the vine which is himself: 36

The first work of the Grace of the Holy Spirit is Conversion, effecting Justification in accordance with Jesus' proclamation at the beginning of the Gospel: "Repent, for the kingdom of heaven is at hand." 38 Moved by Grace, man turns toward God and away from Sin, thus accepting forgiveness and righteousness from on high. "Justification is not only the remission of sins, but also the sanctification and renewal of the interior man. 39