Luke 11:26
"Then it goes off and fetches seven other spirits more wicked than itself, and they go in and live there. And the last state of that man is worse than the first."
John 5:14
Afterward Jesus found him in the Temple, and said to him. "Look! You have become well. Do not go on sinning, lest a worse thing befall you."
2 Peter 2:20-22
For if, after having escaped the pollutions of the world, through the knowledge of our Lord and Saviour Jesus Christ, men are again entangled in them and overpowered, their last state is become worse than their first.
Matthew 12:45
"Then it goes and brings with it seven other spirits worse than itself; and they enter in and dwell there. And the last state of that man is worse than the first. So shall it be with this wicked generation."
Matthew 23:15
"Woe unto you, Scribes and Pharisees, hypocrites! For you scour sea and land to make one proselyte, and when he is gained, you make him twofold more a son of hell than you are, yourselves.
Hebrews 6:4-8
For in the case of those who have been once for all enlightened and have tasted of the heavenly gift,
Hebrews 10:26-31
For if we sin wilfully, after we have received the knowledge of the truth, there no longer remains any other sacrifice for sins,
1 John 5:16
If any one sees his brother committing a sin that is not deadly, he shall ask, and God will give him life, for any one who is not committing a deadly sin. There is a deadly sin; concerning that I do not say that he should pray.
Jude 1:12-13
These are they who are stains upon your love-feasts; when they feast sumptuously without scruple, looking after none but themselves. They are clouds without water, driven along by the winds; trees of autumn, fruitless, doubly dead, torn up by the roots,