Hebrews 3:6

3:6 But Christ is faithful as a son over God’s house. We are of his house, if in fact we hold firmly to our confidence and the hope we take pride in.

Hebrews 3:14

3:14 For we have become partners with Christ, if in fact we hold our initial confidence firm until the end.

Hebrews 10:32-35

10:32 But remember the former days when you endured a harsh conflict of suffering after you were enlightened. 10:33 At times you were publicly exposed to abuse and afflictions, and at other times you came to share with others who were treated in that way. 10:34 For in fact you shared the sufferings of those in prison, and you accepted the confiscation of your belongings with joy, because you knew that you certainly had a better and lasting possession. 10:35 So do not throw away your confidence, because it has great reward.

Matthew 24:13

24:13 But the person who endures to the end will be saved.

Revelation 2:26

2:26 And to the one who conquers and who continues in my deeds until the end, I will give him authority over the nations –