Titus 2:1; Titus 2:7-8; Titus 2:15

Titus 2:1

1 But as for you, you must speak in a manner that befits wholesome teaching.

Titus 2:7-8

7 and above all make your own life a pattern of right conduct, having in your teaching no taint of insincerity, but a serious tone,

8 and healthy language which no one can censure, so that our opponents may feel ashamed at having nothing evil to say against us.

Titus 2:15

15 Thus speak, exhort, reprove, with all impressiveness. Let no one make light of your authority.