Men and brethren, this scripture must needs have been fulfilled, which the Holy Spirit by the mouth of David spoke before concerning Judas, who was guide to them that took Jesus.

When he shall be judged, let him be condemned: and let his prayer become sin.

Then Judas, who had betrayed him, when he saw that he was condemned, repented, and brought again the thirty pieces of silver to the chief priests and elders,

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So Saul died for his transgression which he committed against the LORD, even against the word of the LORD, which he kept not, and also for asking counsel of one that was a medium, to seek council;

And through covetousness shall they with false words exploit you: whose judgment of old now lingers not, and their destruction slumbers not.

And the angels who kept not their first estate, but left their own habitation, he has reserved in everlasting chains under darkness unto the judgment of the great day.

General references

You are they who have continued with me in my trials.

Lest Satan should get an advantage of us: for we are not ignorant of his devices.