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]?

But when he saw many of the Pharisees and Sadducees coming to be immersed, John said to them, "You children of snakes, who warned you to run away from the coming wrath [of God]?

Then they were warned by God in a [supernatural] dream not to return to Herod, so they left and returned to their own country by a different route.

But when he heard that Archelaus was then the king of Judea, in place of his father Herod, he was afraid to go back. Then, being warned by God in a [supernatural] dream, he went on up to the region called Galilee,

Jesus sternly warned him, sending him directly out,

He said to the crowds of people that went out [to the desert] to be immersed by him, "You children of snakes, who warned you to run away from the coming wrath [of God]?

where I have five brothers. Then he could warn them so that they will not [have to] come to this [terrible] place of torment also.'

And Abraham replied, 'If they will not listen to Moses and the prophets, neither will they be persuaded [even] if someone rises from the dead [i.e., to come back and warn them].'"

But I am warning you about whom you should fear. Fear the One [i.e., God] who, after He has killed [i.e., the body], has power to throw [you] into hell [See note on Matt. 5:29]. Yes, I tell you, fear Him.

But I have told you these things so that, when the time comes [for people to do such things], you will remember that I had warned you. I did not tell you them at the beginning [of my ministry] because I was with you [i.e., to protect you from persecution].

And so they called Peter and John in and warned them not to speak or teach at all in the name of Jesus [anymore].

So, be very watchful, and remember that for three years I never stopped warning every one of you [about such matters] both night and day with tears [in my eyes].

After much time had passed, the voyage became more dangerous because it was [now] past the Day of Atonement [Note: This would have been around September or October, when a sea voyage involved rough sailing]. So, Paul began warning the people [aboard ship],

I am not writing this to shame you but to warn you, as my dearly loved children.

For a person who eats and drinks without determining the significance of the body [of Jesus], [i.e., without showing proper reverence for Christ, as represented by the bread and cup (see verse 27), or without distinguishing this sacred memorial Supper from a common meal], eats and drinks judgment upon himself. [Note: Some apply "the body" in this verse to the church and explain it as a warning against failing to appreciate the unity that the Supper is intended to signify].

I told you the last time I was there, and now before returning, I [again] warn those who have sinned in the past as well as the rest, that if I come again I will not spare you [i.e., I will rebuke and discipline you],

envy, drunkenness, orgies, and things like these. I warn you again, as I have done before, that those people who practice such things will not inherit the kingdom of God.

We proclaim Him, warning and teaching every person with all wisdom, so that we may present every person [to God] complete in [their fellowship with] Christ.

You should let the message of Christ live in you abundantly [i.e., as individuals and collectively]. Use [much] wisdom in teaching and warning one another with psalms, hymns and spiritual songs, singing with favor [i.e., with thankfulness] in your hearts toward God.

For even when we were with you, we warned you that we were going to be persecuted, and as you know, it has turned out that way.

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.

But we urge you, brothers, to know [i.e., appreciate and respect] those who work hard among you, and who lead you and warn you in [the fellowship of] the Lord. [Note: These men were probably the elders. See Acts 20:28; Heb. 13:17].

And we urge you, brothers, to warn those who are idle [Note: The word "idle" originally meant, "insubordinate, or unruly." See II Thess. 3:6-7, 11], encourage those who are timid, help the [spiritually] weak and be patient with everyone.

And yet do not consider him to be an enemy, but warn him as [you would] a [Christian] brother.

After you have warned a divisive person twice, have nothing more to do with him [i.e., withdraw spiritual fellowship from him].

These priests serve [in a sanctuary] that is [only] a copy and a foreshadow of the heavenly one. Now Moses was warned [by God] when he was about to build the Tabernacle, for God said [Ex. 25:40], "See that you make everything according to the pattern that was shown to you on the mountain [i.e., Mount Sinai]."

By [having] faith, when Noah was warned [by God] about conditions that had not yet been seen [i.e., regarding events of the coming Flood], he acted out of reverent concern [for God] by constructing a ship to save [i.e., rescue] his household [from the Flood waters]. By this [i.e., his faith which led to action], Noah condemned the world and inherited righteousness because of his faith.

Look carefully [at how you are living] so that no one falls away from God's unearned favor, and that no "poisonous plant sprouts up" to cause trouble and corrupt many people [Note: This is an analogy from Deut. 29:16-18 being used as a warning against the evil influence of wicked people],