Philippians 1:6
I am confident of this very thing, that God, who began something good among you, will complete it until the day of Jesus Christ's [return].
1 John 2:27
And this is important to you: The "special gift," which you received from God [See verse 20], continues to live in your hearts, [so that] you do not need anyone to teach you [anything different]. But, since this same "special gift" teaches you concerning everything that is true, and [what it teaches] is not false, you should continue to live in [fellowship with] Christ.
Matthew 10:22
And you will be hated by everyone for being loyal to me. But the person who endures [this persecution by remaining faithful] to the end [of his life] is the one who will be saved [i.e., from spiritual and physical destruction].
Matthew 24:13
But the person who holds out [i.e., remains faithful to God] until the end [i.e., of this time of severe persecution] will be saved [from destruction].
John 6:45
It is written in the prophets [Isa. 54:13], 'And they will all be taught by God.' [So], every person who has heard the Father and learned [from Him] will come to me.
1 Corinthians 1:7-8
so that you are not lacking in any [spiritual] gift, while you wait for our Lord Jesus Christ to be revealed [i.e., at His second coming].
1 John 2:19-20
These antichrists left our group [i.e., withdrew their fellowship from us], but they were not [really a part] of us, for if they had been, they would have continued [to participate] with us. But, by their leaving us, it proved that none of them were [really] a part of our group [after all].
Revelation 2:26
"And to the person who has victory [in the Christian life], and who continues to do what I want until the end [of his life], I will give him authority over the nations [Note: This probably refers to a spiritual reign with Christ during the Christian age. See 20:4].