Philippians 1:6
For I am certain of this very thing, that He who began the good work in you will go on until the day of Jesus Christ to complete it.
1 John 2:27
The anointing of the Spirit which you received still remains in your hearts, and so you have no need that anyone should teach you. But just as that anointing of His teaches you about everything, and as it is true and no falsehood, and as it has taught you to do so, you must continue to live in union with Him.
Matthew 10:22
And you will be hated by all men, because you bear my name, but whoever bears up to the end will be saved.
Matthew 24:13
But whoever bears up to the end will be saved.
John 6:45
In the prophets it is written, 'And all men will be taught by God.' Everyone who ever listens to the Father and learns from Him will come to me.
1 Corinthians 1:7-8
so that there is no spiritual gift in which you consciously come short, while you are waiting for the unveiling of our Lord Jesus Christ,
1 John 2:19-20
They have gone out from our own number, but they did not really belong to us; for if they had, they would have stayed with us. It was to show that none of those who went out really belonged to us.
Revelation 2:26
To him who conquers and continues to the very end to do the works that please me, I will give authority over the heathen;