Romans 10:8-9, NIV: But what does it say? “The word is near you; it is in your mouth and in your heart,” that is, the word of faith we are proclaiming: That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved.
Ephesians 2:8-9, NIV: For it is by grace you have been saved, through faith, and this not from yourselves, it is the gift of God, not by works, so that no one can boast.
Romans 10:10-12, NIV For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. As the Scripture says, “Anyone who trusts in him will never be put to shame.” For there is no difference between Jew and Gentile, the same Lord is Lord of all and richly blesses all who call on him.
Romans 10:13, NIV: For, “Everyone who calls on the name of the Lord will be saved.”
Galatians 3:2, NIV: I would like to learn just one thing from you: Did you receive the Spirit by observing the law, or by believing what you heard?