Titus 2:1
As for you, teach nothing
1 Timothy 1:10
against licentiousness and unnatural passion, against men-stealers, lyars, perjured persons, and every thing that is inconsistent
Titus 1:9
attach'd to the truth, that has been taught him, that he may be able to teach others sound doctrine, and to convince those who oppose it.
1 Timothy 6:3
If any one deviate from this doctrine, not adhering to the wholesome instructions of our Lord Jesus Christ, the true doctrine of piety,
2 Timothy 1:13
Keep that form of sound doctrine you receiv'd from me, which consists in christian faith and charity:
Titus 2:11-14
For the divine savour has display'd its salutary effects to all mankind:
Titus 3:8
This is a secure rule, and what I would have you constantly maintain, that they who have believed in God, should take care to be examples of virtue, for that is commendable and useful to mankind.