Acts 2:38
"Repent," replied Peter, "and be baptized, every one of you, in the name of Jesus Christ, with a view to the remission of your sins, and you shall receive the gift of the Holy Spirit.
Acts 26:20
but I proceeded to preach first to the people in Damascus, and then to those in Jerusalem and in all Judaea, and to the Gentiles, that they must repent and turn to God, and live lives consistent with such repentance.
James 1:27
The religious service which is pure and stainless in the sight of our God and Father is to visit fatherless children and widowed women in their time of trouble, and to keep one's own self unspotted from the world.
James 2:13
For he who shows no mercy will have judgement given against him without mercy; but mercy triumphs over judgement.