Titus 1:13

This testimony is true. For which cause rebuke them with severity, that they may be sound in the faith;

2 Corinthians 13:10

For this cause, though absent, I have written these things, that when I am present I may not use severity, according to the power which the Lord hath given me for edification, and not for destruction.

Titus 2:2

that the elder men be sober, grave, discreet, sound in faith, in love, in patience.

1 Timothy 5:20

Those who sin rebuke before all, that the rest also may tremble.

Titus 2:15

These things speak and enjoin, and reprove with all authority. Let no man despise thee.

2 Timothy 4:2

preach the word, be urgent, in season, out of season; reprove, enjoin, exhort with all long suffering and doctrine.

2 Corinthians 7:8-12

For if I grieved you by a letter, I do not repent, though I did repent: for I perceive that this letter made you sorry, though but for a season.

1 Timothy 4:6

If thou suggest these truths to the brethren, thou shalt be a good minister of Jesus Christ, nourished up in the words of faith and sound doctrine, whereunto thou hast attained.

Treasury of Scripture Knowledge

Summary

This witness is true. Wherefore rebuke them sharply, that they may be sound in the faith;

General references

Bible References

That

Titus 2:2
that the elder men be sober, grave, discreet, sound in faith, in love, in patience.
2 Corinthians 7:8
For if I grieved you by a letter, I do not repent, though I did repent: for I perceive that this letter made you sorry, though but for a season.
1 Timothy 4:6
If thou suggest these truths to the brethren, thou shalt be a good minister of Jesus Christ, nourished up in the words of faith and sound doctrine, whereunto thou hast attained.

General references

1 Timothy 5:7
And these things inculcate, that they may be blameless.