Acts 20:31

Wherefore watch, remembering that for three years, night and day, I ceased not to admonish every one of you with tears.

Matthew 24:24-25

For false Christs and false prophets shall be raised up, and shall show great signs and wonders, so as to deceive, if possible, even the elect.

1 Corinthians 4:14

I write these things not to shame you, but as my beloved children, I admonish you.

1 Corinthians 10:12

so that he who thinks he stands, let him take heed lest he fall.

Galatians 1:6-10

I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,

Galatians 2:11-13

But when Peter came to Antioch I opposed him to his face, because he was to blame.

Galatians 5:2-7

Behold, I Paul tell you, that if you are circumcised Christ will not profit you.

Ephesians 4:17-21

This I say then and testify in the Lord, that you no longer walk as the other gentiles walk, in the vanity of their minds,

Ephesians 5:5-6

For you know this, that no fornicator, or impure, or covetous person, who is an idolater, has an inheritance in the kingdom of Christ and of God.

Colossians 1:28

whom we preach, admonishing every man and teaching every man in all wisdom, that we may present every man perfect in Christ;

Colossians 3:5-8

Put to death, therefore, your members which are on the earth, fornication, impurity, passion, evil desire, and covetousness which is idolatry,

1 Thessalonians 4:6-8

that he should not go beyond and defraud his brother in the matter, because the Lord is a punisher of all these, as we also told you before and fully testified.

1 Thessalonians 5:14

And we exhort you, brothers, admonish the disorderly, comfort the dispirited, assist the sick, be of long suffering towards all men.

1 Timothy 4:16

Attend to yourself, and to teaching; continue in it, for doing this you will both save yourself and those that hear you.

Titus 2:15

These things speak, and exhort, and reprove with all authority; let no man despise you.

James 5:20

let him know that he who converts a sinner from an error of [his] way, shall save a soul from death, and hide a multitude of sins.

1 John 3:6-9

No one that continues in him sins; no one that sins has seen him, or known him.

Revelation 3:19

As many as I love, I rebuke and chasten; be zealous therefore and change your minds.

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, because he was to blame.
James 5:20
let him know that he who converts a sinner from an error of [his] way, shall save a soul from death, and hide a multitude of sins.

Also

1 Timothy 4:16
Attend to yourself, and to teaching; continue in it, for doing this you will both save yourself and those that hear you.