Parallel
Matthew 23:10
Nestle 1904 Greek New Testament · Berean Standard Bible
μηδὲ κληθῆτε καθηγηταί ὅτι καθηγητὴς ὑμῶν ἐστιν εἷς ὁ Χριστός
Nor are you to be called instructors, for you have one Instructor, the Christ.