Acts 2:36-37 ESV
36 Let all the house of Israel therefore know for certain that God has made him both Lord and Christ, this Jesus whom you crucified.”
37 Now when they heard this they were cut to the heart, and said to Peter and the rest of the apostles, “Brothers, what shall we do?”
Hebrews 4:12-13 NIV
12 For the word of God is alive and active. Sharper than any double-edged sword, it penetrates even to dividing soul and spirit, joints and marrow; it judges the thoughts and attitudes of the heart. 13 Nothing in all creation is hidden from God’s sight. Everything is uncovered and laid bare before the eyes of him to whom we must give account.
Acts 2:38-41 ESV
38 And Peter said to them, “Repent and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit. 39 For the promise is for you and for your children and for all who are far off, everyone whom the Lord our God calls to himself.”40 And with many other words he bore witness and continued to exhort them, saying, “Save yourselves from this crooked generation.” 41 So those who received his word were baptized, and there were added that day about three thousand souls.
Ezekiel 14:6 NIV
6 “Therefore say to the people of Israel, ‘This is what the Sovereign Lord says: Repent! Turn from your idols and renounce all your detestable practices!
Psalm 51:1-2 NASB
Be gracious to me, God, according to Your faithfulness;
According to the greatness of Your compassion, wipe out my wrongdoings.
2 Wash me thoroughly from my guilt
And cleanse me from my sin.
Matthew 3:14-16 NIV
14 But John tried to deter him, saying, “I need to be baptized by you, and do you come to me?”
15 Jesus replied, “Let it be so now; it is proper for us to do this to fulfill all righteousness.” Then John consented.
16 As soon as Jesus was baptized, he went up out of the water. At that moment heaven was opened, and he saw the Spirit of God descending like a dove and alighting on him. 17 And a voice from heaven said, “This is my Son, whom I love; with him I am well pleased.”
Acts 8:35-38 NIV
35 Then Philip began with that very passage of Scripture and told him the good news about Jesus.
36 As they traveled along the road, they came to some water and the eunuch said, “Look, here is water. What can stand in the way of my being baptized?”  37: And Philip said, “If you believe with all your heart, you may.” And he answered and said, “I believe that Jesus Christ is the Son of God.”
38 And he gave orders to stop the chariot. Then both Philip and the eunuch went down into the water and Philip baptized him.
Romans 6:3-4 NASB
3 Or do you not know that all of us who have been baptized into Christ Jesus have been baptized into His death? 4 Therefore we have been buried with Him through baptism into death, so that, just as Christ was raised from the dead through the glory of the Father, so we too may walk in newness of life.
Acts 8:12-13 NIV
12 But when they believed Philip as he proclaimed the good news of the kingdom of God and the name of Jesus Christ, they were baptized, both men and women. 13 Simon himself believed and was baptized.