Acts 20:31

be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.

Matthew 24:24-25

for there shall arise false Messiahs, and false prophets, and shall shew such astonishing miracles and prodigies, as to deceive, if that can do it, the very converts themselves.

1 Corinthians 4:14

This I don't write to give you any confusion, but by way of remonstrance, to you who are my dear children.

1 Corinthians 10:12

wherefore let him that thinks he stands firm, take heed lest he fall.

Galatians 1:6-10

from me, who called you by the grace of Christ; this can be

Galatians 2:11-13

But when Peter came to Antioch, I opposed him to his face, for he was to be blamed.

Galatians 5:2-7

take notice, 'tis I Paul declare it to you, that if you are circumcised, Christ shall be of no advantage to you.

Ephesians 4:17-21

This I say therefore, and conjure you by the Lord not to live for the future as other Gentiles do, in the vanity of their minds,

Ephesians 5:5-6

for this you know, that no licentious or dissolute person, no lewd libertine, that is, an idolater, hath any part in the kingdom of Christ, and of God.

Colossians 1:28

he it is that we preach, exhorting, and instructing men in every part of divine knowledge, that they may all be perfectly acquainted with the doctrine of Christ Jesus.

Colossians 3:5-8

Mortify therefore your sensual appetites, fornication, impurity, irregular passions, wicked desires, and that licentiousness practised by idolaters.

1 Thessalonians 4:6-8

that no man should be exorbitant, and behave contumeliously to his brother: because the Lord is the avenger of all such crimes, as we have formerly remonstrated to you.

1 Thessalonians 5:14

and we exhort you, brethren, reprove the disorderly, comfort the pusillanimous, support the weak, and be patient toward all men.

1 Timothy 4:16

take care how you behave, and what you teach. persevere in these duties: for by the practice of them, you will save both yourself, and those who hear you.

Titus 2:15

these things remonstrate: recommend and enforce with all your authority: guard yourself against all contempt.

James 5:20

that the retrieving of a sinner from his erroneous habits, is saving a soul from ruin, and cancels a multitude of sins.

1 John 3:6-9

whosoever adheres to him, sinneth not: whosoever sinneth, hath not seen him, he does not know him.

Revelation 3:19

as many as I love, I rebuke and chastise: be warm therefore with zeal, and repent.

Treasury of Scripture Knowledge

Summary

Nevertheless if thou warn the righteous man, that the righteous sin not, and he doth not sin, he shall surely live, because he is warned; also thou hast delivered thy soul.

Bible References

He shall

Galatians 2:11
But when Peter came to Antioch, I opposed him to his face, for he was to be blamed.
James 5:20
that the retrieving of a sinner from his erroneous habits, is saving a soul from ruin, and cancels a multitude of sins.

Also

1 Timothy 4:16
take care how you behave, and what you teach. persevere in these duties: for by the practice of them, you will save both yourself, and those who hear you.