'Sound Doctrine' in the Bible

For lewd persons, for them that defile themselves with mankind, for men-stealers, for liars, for perjured persons, and if there is any other thing that is contrary to sound doctrine,

For the time will come, when they will not endure sound doctrine; but after their own lusts will they multiply to themselves teachers, having itching ears;

Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.

But speak thou the things which become sound doctrine: