John 15:4-6
You must remain in union with me and I will remain in union with you. Just as no branch by itself can bear fruit unless it remains united to the vine, so you cannot unless you remain in union with me.
Acts 11:23
When he reached there and saw the spiritual blessing God had given them, he was delighted, and continuously encouraged them all with hearty purpose to continue to be devoted to the Lord;
Acts 27:31
Paul said to the colonel and his soldiers, "Unless these sailors remain on the ship, you cannot be saved."
Hebrews 3:14
For we have become real sharers in Christ, if we keep firm to the end the faith we had at first,
Hebrews 6:4-8
For it is impossible for those who have once for all been enlightened and have experienced the gift from heaven, who have been made sharers of the Holy Spirit
Hebrews 9:11-12
But when Christ came as the High Priest of good things that have already taken place, He went by way of that greater and more perfect tent of worship, not made by human hands, that is, not belonging to this material creation,
Hebrews 9:15-17
And this is why He is the Mediator of a new covenant, in order that, after He had suffered death for securing redemption from the offenses committed under the first covenant, those who had been invited to share it might obtain the eternal inheritance promised them.
Hebrews 10:26-30
For if we go willfully sinning after we have received full knowledge of the truth, there is no sacrifice left to be offered for our sins,
Hebrews 10:39
But we are not of a disposition to draw back so as to perish, but we have faith that leads to the saving of the soul.