4 For as regards those who were once enlightened+ and who have tasted the heavenly free gift and who have become partakers of holy spirit

6 but have fallen away,+ it is impossible to revive them again to repentance, because they nail the Son of God to the stake again for themselves and expose him to public shame.+

26 For if we practice sin willfully after having received the accurate knowledge of the truth,+ there is no longer any sacrifice for sins left,+