Luke 11:26
then he goes and takes with him seven other spirits more wicked than himself: they all enter in and dwell there, and the last state of that man becomes worse than the first.
John 5:14
sometime after Jesus met him in the temple, and said to him, you see you were cured: sin no more, lest you suffer something worse.
2 Peter 2:20-22
As for those who have renounc'd the pollutions of the world, by their owning Jesus Christ for their Lord and saviour, if they are prevail'd upon to be entangled therein again, their last state is worse than the first.
Matthew 12:45
then he goes and takes seven other spirits besides himself, but more mischievous than himself, and they all enter in and lodge there: so that the last state of that man is worse than the first. just so shall it likewise fare with this wicked generation.
Matthew 23:15
wo unto you, Scribes and Pharisees, hypocrites, who ransack sea and land to make one proselyte, and when he is gain'd, ye make him deserve Gehenna much more than your selves.
Hebrews 6:4-8
For it is impossible for those who were once enlightned, and have received the heavenly gifts, communicated by the holy spirit,
Hebrews 10:26-31
for if we wilfully apostatize, after having received the knowledge of the truth, it is as a sin for which there is no sacrifice appointed.
1 John 5:16
If any man see his brother commit a sin, which is not a mortal sin, let him pray to God, who will grant him life, for such as do not commit a mortal sin. there is a sin unto death: in which case I do not enjoin any prayer to be made.
Jude 1:12-13
they are a disgrace to your love-feasts, they indulge themselves at your festivals without reserve: clouds without water, transported with every wind: trees whose fruit soon withers and is useless, twice dead and rooted up: