Matthew 28:18-20
And Jesus came and spoke to them, saying, "All authority has been given to Me in heaven and on earth. 19 Go therefore and make disciples of all the nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, 20 teaching them to observe all things that I have commanded you; and lo, I am with you always, even to the end of the age." Amen. NKJV
1 Corinthians 2:4-5
And my speech and my preaching were not with persuasive words of human wisdom, but in demonstration of the Spirit and of power, 5 that your faith should not be in the wisdom of men but in the power of God. NKJV
Romans 10:9 & 10
That if you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved.
10 For with the heart one believes unto righteousness, and with the mouth confession is made unto salvation.
2 Corinthians 7:10
For godly sorrow produces repentance leading to salvation, not to be regretted; but the sorrow of the world produces death. NKJV