This is the will of my Father who sent me, that of all he has given to me I should lose nothing, but should raise him up at the last day. — John 6:39

While I was with them in the world, I kept them in your name. Those whom you have given me I have kept. None of them is lost, except the son of destruction, that the Scripture might be fulfilled. — John 17:12

I give eternal life to them. They will never perish, and no one will snatch them out of my hand. My Father, who has given them to me, is greater than all. No one is able to snatch them out of my Father’s hand. — John 10:28

Now I would not have you ignorant, brothers, that our fathers were all under the cloud, and all passed through the sea; and were all baptized into Moses in the cloud and in the sea; and all ate the same spiritual food; and all drank the same spiritual drink. For they drank of a spiritual rock that followed them, and the rock was Christ. However with most of them, God was not well pleased, for they were overthrown in the wilderness. — 1 Corinthians 10:1

Now I desire to remind you, though you already know this, that the Lord, having saved a people out of the land of Egypt, afterward destroyed those who didn’t believe. — Jude 1:5

With whom was he displeased forty years? Wasn’t it with those who sinned, whose bodies fell in the wilderness? — Hebrews 3:17

But false prophets also arose among the people, as false teachers will also be among you, who will secretly bring in destructive heresies, denying even the Master who bought them, bringing on themselves swift destruction. — 2 Peter 2:1

And through your knowledge, he who is weak perishes, the brother for whose sake Christ died. — 1 Corinthians 8:11

How much worse punishment do you think he will be judged worthy of who has trodden under foot the Son of God, and has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace? — Hebrews 10:29

How much worse punishment do you think he will be judged worthy of who has trodden under foot the Son of God, and has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace? — Hebrews 10:29

For concerning those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit, and tasted the good word of God, and the powers of the age to come, 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. — Hebrews 6:4

For if, after they have escaped the defilement of the world through the knowledge of the Lord and Savior Jesus Christ, they are again entangled in it and overcome, the last state has become worse for them than the first. For it would be better for them not to have known the way of righteousness, than, after knowing it, to turn back from the holy commandment delivered to them. — 2 Peter 2:20