John 15:4-6
Abide in me, and I will abide in you. As the branch can not bear fruit of itself, unless it abide in the vine, so neither can you, unless you abide in me.
Acts 11:23
When he had come, and had seen the grace of God, he rejoiced; and he exhorted them all to remain, with purpose of heart, faithful to the Lord.
Acts 27:31
Paul said to the centurion and the soldiers: Unless these remain in the ship, you can not be saved.
Hebrews 3:14
For we are partakers of the Christ, if we hold our begun confidence firm to the end;
Hebrews 6:4-8
For it is impossible to renew again to repentance those who have once been enlightened, and have tasted of the heavenly gift, and have been made partakers of the Holy Spirit,
Hebrews 9:11-12
But Christ, having come a high priest of the good things to come, through the greater and more perfect tabernacle, not made with hands, (that is, not of this building,)
Hebrews 9:15-17
And for this reason, he is the mediator of the new covenant: that, since his death has taken place for the redemption of transgressions that were under the former covenant, those who are called may receive the promise of the eternal inheritance.
Hebrews 10:26-30
For if we sin willfully, after we have received the knowledge of the truth, there remains no longer a sacrifice for sins;
Hebrews 10:39
But we are not of those who draw back to perdition; but of those who believe to the saving of the soul.