1 Corinthians 3:3-4 NIV

3 You are still worldly. For since there is jealousy and quarreling1 among you, are you not worldly? Are you not acting like mere men?

References for 1 Corinthians 3:3

4 For when one says, "I follow Paul," and another, "I follow Apollos,"2 are you not mere men?

References for 1 Corinthians 3:4