Hebrews 6:4-8

For it is impossible for those who have once been enlightened, who have tasted the heavenly gift, and have become partakers of the Holy Spirit,

2 Peter 1:9

For whoever lacks these things is blind and shortsighted, and has forgotten that he was cleansed from his old sins.

2 Peter 2:20-22

For if, after they have escaped the defilements of the world by the knowledge of the Lord and Savior Jesus Christ, they are again entangled in them and are overcome, the last state has become worse for 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 it is impossible for those who have once been enlightened, who have tasted the heavenly gift, and have become partakers of the Holy Spirit,
2 Peter 1:9
For whoever lacks these things is blind and shortsighted, and has forgotten that he was cleansed from his old sins.
2 Peter 2:20
For if, after they have escaped the defilements of the world by the knowledge of the Lord and Savior Jesus Christ, they are again entangled in them and are overcome, the last state has become worse for them than the first.