Acts 18:5-6

And when Silas and Timothy came down from Macedonia, Paul was very urgent in spirit, testifying to the Jews that Jesus was the Messiah.

Acts 20:26

Wherefore I call you to witness this day, that I am clear from the blood of all men.

1 Timothy 4:16

Take heed to thyself, and to thy doctrine; continue in them: for in doing this, thou wilt both save thyself and those that hear thee.

Luke 10:10-11

But into whatever city ye come, and they receive you not, go out into the streets of it and say,

Acts 13:45-46

But when the Jews saw the multitudes, they were filled with envy, and contradicted the things which were spoken by Paul, opposing and reviling him.

2 Corinthians 2:15-17

For we are the sweet odor of Christ unto God, in them that are saved, yea and in them that perish:

1 Thessalonians 4:6

That no one over-reach, or wrong his brother in any thing: because the Lord is an avenger of all such crimes, as we also told you before, and testified to you.

2 Thessalonians 1:8-9

with his mighty angels, in flaming fire, taking vengeance on those who know not God, and who obey not the gospel of our Lord Jesus Christ:

Hebrews 2:1-3

For this reason we ought the more earnestly to attend to what we have heard, least by any means we should be found deficient.

Hebrews 10:26-27

For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins;

Hebrews 12:25

See that ye reject not Him that speaketh; for if they escaped not, who rejected him that gave forth divine oracles on earth, much less shall we, if we turn away from Him that speaketh from heaven:

Treasury of Scripture Knowledge

Summary

Yet if thou warn the wicked, and he turn not from his wickedness, nor from his wicked way, he shall die in his iniquity; but thou hast delivered thy soul.

Bible References

He shall

2 Thessalonians 1:8
with his mighty angels, in flaming fire, taking vengeance on those who know not God, and who obey not the gospel of our Lord Jesus Christ:
Hebrews 10:26
For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins;

But thou

Acts 13:45
But when the Jews saw the multitudes, they were filled with envy, and contradicted the things which were spoken by Paul, opposing and reviling him.
Acts 20:26
Wherefore I call you to witness this day, that I am clear from the blood of all men.
2 Corinthians 2:15
For we are the sweet odor of Christ unto God, in them that are saved, yea and in them that perish: