Hebrews 6:4-8
For it is impossible for those who were once inlightened, and have tasted the heavenly gift, and been made partakers of the Holy Ghost,
2 Peter 2:20
For if after they have escaped the pollutions of the world, thro the knowledge of the Lord and Saviour Jesus Christ, they are again intangled therein and overcome, their last state is worse then the first.
2 Peter 2:22
But it has befallen them according to the true proverb, The dog is turned to his own vomit, and the sow that was washed to her wallowing in the mire.
Jude 1:12
These are spots in your feasts of love, while they banquet with you feeding themselves without fear: clouds without water, driven about of winds; trees without leaves, without fruit, twice dead, plucked up by the roots;