Bible Verses about “lost salvation”

“If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness.”

“For concerning those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit,”

“and then fell away, it is impossible to renew them again to repentance; seeing they crucify the Son of God for themselves again, and put him to open shame.”

“and tasted the good word of God, and the powers of the age to come,”