Luke 22:50
And one of them smote a servant of him which was the highest priest of all, and smote off his right ear.
Matthew 26:51-54
And behold, one of them which were with Jesus, stretched out his hand and drew his sword, and struck a servant of the high priest, and smote off his ear.
Mark 14:47
And one of them that stood by drew out a sword, and smote a servant of the high priest, and cut off his ear.
John 18:10-11
Simon Peter had a sword, and drew it, and smote the high priest's servant, and cut off his right ear. The servant's name was Malchus.
Romans 12:19
Dearly beloved, avenge not yourselves but give room unto the wrath of God. For it is written, "Vengeance is mine, and I will reward, saith the Lord."
2 Corinthians 10:4
For the weapons of our war are not carnal things, but things mighty in God to cast down strongholds;