Hebrews 6:4-6

Darby(i) 4 For it is impossible to renew again to repentance those once enlightened, and who have tasted of the heavenly gift, and have been made partakers of [the] Holy Spirit, 5 and have tasted the good word of God, and [the] works of power of [the] age to come, 6 and have fallen away, crucifying for themselves [as they do] the Son of God, and making a show of [him].