Titus 1:6; Titus 2:8

Titus 1:6

6 An elder must be blameless, faithful to his wife, a man whose children believe and are not open to the charge of being wild and disobedient.

Titus 2:8

8 and soundness of speech that cannot be condemned, so that those who oppose you may be ashamed because they have nothing bad to say about us.