Titus 1:11 identifies these gainsayers as false teachers whose mouths must be stopped—directly following the charge in verse 9.

Titus 2:8 expands on 'sound doctrine' with 'sound speech' that leaves no room for condemnation, reinforcing the call to refute opponents.

Titus 2:1 directly commands teaching sound doctrine, the same duty required of elders in Titus 1:9.

Titus 3:8 urges affirming faithful sayings to promote good works, connecting sound doctrine from here to practical application.

Titus 2:7 adds that teaching must be accompanied by personal example and integrity, reinforcing character for sound doctrine.

Acts 18:28 shows Apollos powerfully convincing Jews—an example of the 'convincing gainsayers' that elders are instructed to do here.

1 Thessalonians 5:21 instructs to hold fast what is good, directly paralleling the elder's call to hold firm to sound doctrine.

2 Thessalonians 2:15 calls believers to hold to the traditions taught, reinforcing the elder's duty to hold firm to the word.

In 1 Timothy 1:10, Paul lists behaviors 'contrary to sound doctrine'—defining the gainsayers that Titus 1:9 calls elders to refute.

2 Timothy 4:3 warns that people will reject sound doctrine, underscoring why holding it fast and refuting error is urgent.

2 Timothy 2:25 instructs correcting opponents with meekness—a complementary strategy to the exhortation and convincing in Titus.

Jude 1:3 urges contending for the faith once delivered, directly paralleling the call to refute opponents of sound doctrine.

2 Timothy 1:13 urges following the pattern of sound words, directly paralleling the elder's duty to hold firm to trustworthy word.

1 Timothy 6:3 describes those who reject sound instruction—the very opponents elders must refute according to Titus 1:9.

1 Timothy 4:16 commands watching your life and teaching, persisting—directly parallels Titus 1:9's call to hold to sound doctrine and encourage others.

1 Timothy 6:20 similarly charges Timothy to guard the deposit against profane babblings and false knowledge, reinforcing the need to hold fast sound doctrine.

1 Timothy 1:3 charges Timothy to stop false teaching—directly parallels Titus 1:9's call to refute those who oppose sound doctrine.

1 Corinthians 14:3 describes prophecy for encouragement and edification—directly parallels Titus 1:9's 'encourage others by sound doctrine.'

Ezekiel 44:23 describes priests teaching the difference between holy and profane—parallel to elders teaching sound doctrine and refuting error.

Proverbs 4:2 urges holding onto 'good doctrine' — a direct OT parallel to the 'sound doctrine' that elders must uphold.

2 Timothy 2:2 expands the duty: entrust sound teaching to reliable people who will teach others, building on holding it.

1 Timothy 1:19 urges holding faith and a good conscience—parallels Titus 1:9's 'hold firmly to the trustworthy message,' both stressing steadfastness.

1 Timothy 1:15 provides an example of a 'trustworthy saying'—that Christ saves sinners—illustrating the content elders must hold.

Revelation 3:11 urges holding fast to secure your crown, linking perseverance in sound doctrine to eternal reward.

Revelation 2:25 urges holding fast until Christ's return, adding an eschatological perspective to the command to hold trustworthy teaching.

Revelation 3:3 commands to hold fast what was received, with a warning of judgment—reinforcing the urgency of holding to sound doctrine.

2 Timothy 2:24 describes the Lord's servant as able to teach and patient, echoing the elder's role to exhort with sound doctrine here.

1 Timothy 4:9 uses the same 'trustworthy saying' formula, linking to the reliable teaching elders must hold.

Matthew 13:52 depicts a trained scribe bringing out old and new treasures—echoes Titus 1:9's call for elders to hold to sound doctrine and teach.

Proverbs 23:23 exhorts buying truth and not selling it, paralleling the elder's commitment to hold firm to the word.