Hebrews 6:4-8

For it is impossible for those who have once for all been enlightened and have experienced the gift from heaven, who have been made sharers of the Holy Spirit

2 Peter 1:9

For whoever lacks these qualities is blind -- or short-sighted-- and forgetful of the cleansing that he has received from his former sins.

2 Peter 2:20-22

For if, after men have escaped the corrupting ways of the world through a full knowledge of the Lord and Saviour Jesus Christ, they again become entangled in them and are conquered by them, then their last condition is worse than their former one.

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 for all been enlightened and have experienced the gift from heaven, who have been made sharers of the Holy Spirit
2 Peter 1:9
For whoever lacks these qualities is blind -- or short-sighted-- and forgetful of the cleansing that he has received from his former sins.
2 Peter 2:20
For if, after men have escaped the corrupting ways of the world through a full knowledge of the Lord and Saviour Jesus Christ, they again become entangled in them and are conquered by them, then their last condition is worse than their former one.