1 Timothy 6:2-4

²Those who have believers as their masters must not be disrespectful to them because they are brothers or sisters, but must serve them all the more, because those who partake of the benefit are believers and beloved. Teach and preach these principles.

³If anyone advocates a different doctrine and does not agree with sound words, those of our Lord Jesus Christ, and with the doctrine conforming to godliness, ⁴he is conceited and understands nothing; but he has a sick craving for controversial questions and disputes about words, from which come envy, strife, abusive language, evil suspicions,