Hebrews 6:4-8

For it is not possible to renew again unto repentance those who have been once illuminated, and have tasted the celestial gift, and have been made partakers of the Holy Ghost,

2 Peter 1:9

But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days.

2 Peter 2:20-22

For if having escaped from the defilements of the world by the knowledge of our Lord and Saviour Jesus Christ, they are again enveloped by them and overcome, their last deeds are worse than the first.

Treasury of Scripture Knowledge

Summary

And the priest shall look on the plague, after that it is washed: and, behold, if the plague have not changed his colour, and the plague be not spread; it is unclean; thou shalt burn it in the fire; it is fret inward, whether it be bare within or without.

Bible References

After

Hebrews 6:4
For it is not possible to renew again unto repentance those who have been once illuminated, and have tasted the celestial gift, and have been made partakers of the Holy Ghost,
2 Peter 1:9
But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days.
2 Peter 2:20
For if having escaped from the defilements of the world by the knowledge of our Lord and Saviour Jesus Christ, they are again enveloped by them and overcome, their last deeds are worse than the first.