Matthew 23:10 Neither be called instructors, for one is your instructor, the Christ. (DBY)
1 Corinthians 4:15 For even if you were to have ten thousand spiritual instructors--for all that you could not have several fathers. It is I who in Christ Jesus became your father through the Good News. (WEY DBY WBS)
Galatians 6:6 But let those who receive instruction in Christian truth share with their instructors all temporal blessings. (WEY)
Proverbs 5:13 Neither have I hearkened to the voice of my teachers, nor inclined mine ear to them that instructed me! (See NAS RSV NIV)