Acts 18:5-6

But when Silas and Timothy arrived from Macedonia [i.e., from the town of Berea], Paul began devoting his full time to declaring the message to Jews that Jesus was the Christ.

Acts 20:26

Therefore, I [must] declare to you today that I am not responsible for what happens to any of you.

1 Timothy 4:16

Pay close attention to yourself and to what you teach [people]. Continue doing these things, for in doing them you will both save yourself and those who listen to you.

Luke 10:10-11

But whatever town you enter that does not welcome you, go out into its streets and say [to them],

Acts 13:45-46

But when the Jews saw the large crowds [gathered to hear the Gospel] they became very jealous and took sharp issue with the things Paul said, and [even] spoke against them.

2 Corinthians 2:15-17

For we [i.e., through our preaching] are like a fragrant incense which goes up to God, [and spreads the knowledge] of Christ among both saved and lost people.

1 Thessalonians 4:6

And none of you should violate and exploit his brother [or sister] in such a matter. For the Lord will punish people for all these things, just as we told you before and warned you.

2 Thessalonians 1:8-9

He will inflict punishment on those people who do not know God [as Savior], and on those who do not obey the Gospel message of our Lord Jesus.

Hebrews 2:1-3

So [then], we [Christians] should pay closer attention to the things we have heard, so that we do not drift away from [believing and practicing] them.

Hebrews 10:26-27

For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.

Hebrews 12:25

Pay careful attention so that you do not refuse [to hear] God when He speaks to you. [See verse 9]. For if those people [i.e., the Israelites] did not escape [judgment] when they refused [to hear] Him who warned them on earth [i.e., God speaking through Moses at Mount Sinai], how much less [likely] will we escape [judgment] if we reject Him who warns from heaven [i.e., Christ]?

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
He will inflict punishment on those people who do not know God [as Savior], and on those who do not obey the Gospel message of our Lord Jesus.
Hebrews 10:26
For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.

But thou

Acts 13:45
But when the Jews saw the large crowds [gathered to hear the Gospel] they became very jealous and took sharp issue with the things Paul said, and [even] spoke against them.
Acts 20:26
Therefore, I [must] declare to you today that I am not responsible for what happens to any of you.
2 Corinthians 2:15
For we [i.e., through our preaching] are like a fragrant incense which goes up to God, [and spreads the knowledge] of Christ among both saved and lost people.