Acts 13:45

13:45 But when the Jews saw the crowds, they were filled with jealousy, and they began to contradict what Paul was saying by reviling him.

Acts 18:6

18:6 When they opposed him and reviled him, he protested by shaking out his clothes and said to them, “Your blood be on your own heads! I am guiltless! From now on I will go to the Gentiles!”

Mark 3:28

3:28 I tell you the truth, people will be forgiven for all sins, even all the blasphemies they utter.

Hebrews 10:28-29

10:28 Someone who rejected the law of Moses was put to death without mercy on the testimony of two or three witnesses. 10:29 How much greater punishment do you think that person deserves who has contempt for the Son of God, and profanes the blood of the covenant that made him holy, and insults the Spirit of grace?

James 2:7

2:7 Do they not blaspheme the good name of the one you belong to?