Hebrews 6:4-8

For as to those who were once enlightened, and tasted of the heavenly gift, and became partakers of the Holy Spirit,

2 Peter 1:9

for he to whom these things are lacking is blind, seeing dimly, having forgotten the cleansing from his old sins.

2 Peter 2:20-22

For if, after having escaped the defilements of the world in a full knowledge of our Lord and Savior Jesus Christ, but, having again become entangled with these, they are overcome, the last state has become worse with them 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 as to those who were once enlightened, and tasted of the heavenly gift, and became partakers of the Holy Spirit,
2 Peter 1:9
for he to whom these things are lacking is blind, seeing dimly, having forgotten the cleansing from his old sins.
2 Peter 2:20
For if, after having escaped the defilements of the world in a full knowledge of our Lord and Savior Jesus Christ, but, having again become entangled with these, they are overcome, the last state has become worse with them than the first.