Hebrews 6:4-8
For it is impossible that those who have once been enlightened, and have tasted of the heavenly gift, and been make partakers of the Holy Spirit,
2 Peter 2:20
For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein and overcome, the last state is worse with them than the first.
2 Peter 2:22
It hath happened to them according to the true proverb, The dog returned to his own vomit; and, The sow that was washed, to her wallowing in the mire.
Jude 1:12
These are the rocks in your feasts of love, feasting together without fear, feeding only themselves; clouds without water, carried away by winds; trees in late autumn, without fruit, twice dead, plucked up by the roots;