Acts 20:31

Watch therefore, remembering, that three years night and day I ceased not admonishing you with tears.

Matthew 24:24-25

for false Christs and false prophets will rise up, and give great signs and wonders; so as to deceive even the elect, if possible.

1 Corinthians 4:14

I do not write these things shaming you, but admonishing you as my beloved children.

1 Corinthians 10:12

So let him who thinks he stands take heed lest he may fall.

Galatians 1:6-10

I am astonished that you are so quickly removed from him who called you in the grace of Christ into another gospel;

Galatians 2:11-13

And when Cephas came into Antioch, I withstood him to the face, because he was to blame.

Galatians 5:2-7

Behold I Paul say unto you, that, if you may be circumcised, Christ shall profit you nothing.

Ephesians 4:17-21

Therefore I say this, and witness in the Lord, that you no longer walk about as the Gentiles also walk about in the vanity of their mind,

Ephesians 5:5-6

for you are knowing this, that no fornicator, or unclean person, or covetous, 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, in order that we may present every man perfect in Christ;

Colossians 3:5-8

Therefore kill your members which are upon the earth; fornication, uncleanness, passion, evil desire, and covetousness, which is idolatry;

1 Thessalonians 4:6-8

that one should overreach and defraud his brother in a business transaction: because the Lord is the avenger concerning these things, as we indeed before told you and witnessed to you.

1 Thessalonians 5:14

And we, exhort you, brethren, admonish the unruly, comfort the small-souled people, support the weak, be longsuffering toward all.

1 Timothy 4:16

Take heed to yourself and the teaching: continue in these things; for doing this you will indeed save yourself and those who hear you.

Titus 2:15

Speak these things and exhort and convict with all authority; let no one despise thee.

James 5:20

let him know, that the one having turned a sinner from the error of his way shall save a soul from death, and hide a multitude of sins.

1 John 3:6-9

No one abiding in him is sinning: every one sinning does not see him, nor know him.

Revelation 3:19

So many as I love, I rebuke and chastise; be zealous, 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
And when Cephas came into Antioch, I withstood him to the face, because he was to blame.
James 5:20
let him know, that the one having turned a sinner from the error of his way shall save a soul from death, and hide a multitude of sins.

Also

1 Timothy 4:16
Take heed to yourself and the teaching: continue in these things; for doing this you will indeed save yourself and those who hear you.