TSK · Numbers 35:28

Remain in me, and I in you. As the branch can't bear fruit by itself, unless it remains in the vine, so neither can you, unless you remain in me.

Paul said to the centurion and to the soldiers, "Unless these stay in the ship, you can't be saved."

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

For this reason he is the mediator of a new covenant, since a death has occurred for the redemption of the transgressions that were under the first covenant, that those who have been called may receive the promise of the eternal inheritance.

But we are not of those who shrink back to destruction, but of those who have faith to the saving of the soul.