Titus 1:9

9He must ahold firm to the trustworthy word as taught, so that he may be able to give instruction in bsound
Or healthy; also verse 13
doctrine and also to rebuke those who contradict it.

Titus 2:7-8

7Show yourself in all respects to be da model of good works, and in your teaching eshow integrity, fdignity, 8and gsound speech that cannot be condemned, hso that an opponent may be put to shame, having nothing evil to say about us.
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