Jude 1:4

1:4 For certain men have secretly slipped in among you – men who long ago were marked out for the condemnation I am about to describe – ungodly men who have turned the grace of our God into a license for evil and who deny our only Master and Lord, Jesus Christ.

Jude 1:10

1:10 But these men do not understand the things they slander, and they are being destroyed by the very things that, like irrational animals, they instinctively comprehend.

Jude 1:12-13

1:12 These men are dangerous reefs at your love feasts, feasting without reverence, feeding only themselves. They are waterless clouds, carried along by the winds; autumn trees without fruit – twice dead, uprooted; 1:13 wild sea waves, spewing out the foam of their shame; wayward stars for whom the utter depths of eternal darkness have been reserved.