Leviticus 13:55
And the priest saw after the washing, the stroke, and behold, the stroke turned not its eye, and the stroke spread not; it unclean; in fire thou shalt burn it; it a hollow in his baldness behind, or in his baldness in front
Ezekiel 24:13
In thy uncleanness is wickedness: because I cleansed thee and thou wert not cleansed, thou shalt no more be cleansed from thy uncleanness till my causing my wrath to rest upon thee.
Hebrews 6:4-8
For impossible for them once enlightened, and having tasted of the heavenly gift, and having partaken of the Holy Spirit,
2 Peter 1:9
For in whom these are not present, he is blind, being affected with shortness of sight, having taken 2Peter 1:forgetfulness of the cleansing formerly of his sins.
2 Peter 2:20-22
For if having escaped the pollutions of the world by the knowledge of our Lord and Savior Jesus Christ, and again entangling with these, they be conquered, the last things have been to them worse than the first.