Mark 9:48-49
where their worm does not die, and the fire is not quenched.
Hebrews 6:4-8
For it is impossible that those having been once enlightened, and tasted the heavenly gift, and have been made partakers of the Holy Ghost,
Hebrews 10:26-31
For we sinning willingly after we have received the perfect knowledge of the truth, there is left no more sacrifice for sins,
2 Peter 2:19-22
promising them liberty, they themselves being the slaves of corruption: for to whatsoever any one has been subordinated, to this he has become enslaved.
Revelation 21:8
But to the cowardly, and unbelieving, and the abominable, and the murderers, and the fornicators, and the sorcerers, and the idolaters, and all liars, shall be their part in the lake which burns with fire and brimstone, which is the second death.
Revelation 22:11
Let the unrighteous one still continue to do injustice; and let the filthy one still be filthy; and let the righteous one still do righteousness; and let the holy one still be sanctified.