For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into licentiousness, and denying the only Lord God, and our Lord Jesus Christ.
Read Chapter 1
Aquinas Study Bible
AD 2017
secretly entered in: They entered the midst under the disguise of religion and crept like wolves into the Lord’s sheepfold. They had the appearance of godliness, though they were the enemies of genuine godliness. (Erasmus)
who were written long ago: Jude means that their condemnation was predestined, for even the betrayal of Judas had been foretold. (Andreas of Caesarea)
"For certain men have entered unawares, ungodly men, who had been of old ordained and predestined to the judgment of our God;" not that they might become impious, but that, being now impious, they were ordained to judgment. "For the Lord God," he says, "who once delivered a people out of Egypt, afterward destroyed them that believed not;" that is, that He might train them through punishment. For they were indeed punished, and they perished on account of those that are saved, until they turn to the Lord.
For there have crept in some men, impious men, (who were of old and Lord. The reasons for this exposition are: 1. That this verse of St. Jude seems correspondent to that of St. Peter, (2 Peter ii. 1.) where he says of the same heretics, that they deny the Lord who bought them, or deny him that bought them, to be Lord. 2. Because the disciples of Simon denied Jesus Christ to be truly Lord God, but denied not this of the Father. 3. Because the Greek text seems to denote one and the same to be sovereign master and the Lord. See Cornelius a Lap ide. (Witham)