Acts 20:31

Therefore be on the alert; and remember that, night and day, for three years, I never ceased admonishing every one, even with tears.

1 Thessalonians 5:14

And we exhort you, brethren, admonish the unruly, comfort the timid, sustain the weak, and be patient towards all.

Treasury of Scripture Knowledge

Summary

And what cause soever shall come to you of your brethren that dwell in their cities, between blood and blood, between law and commandment, statutes and judgments, ye shall even warn them that they trespass not against the LORD, and so wrath come upon you, and upon your brethren: this do, and ye shall not trespass.

Bible References

Warn them

Acts 20:31
Therefore be on the alert; and remember that, night and day, for three years, I never ceased admonishing every one, even with tears.
1 Thessalonians 5:14
And we exhort you, brethren, admonish the unruly, comfort the timid, sustain the weak, and be patient towards all.