Philippians 1:6
having become persuaded of this very thing, that He Who began in you a good work will perfect it until the day of Jesus Christ;
1 John 2:27
And the Anointing which ye received from Him abideth in you, and ye have no need that anyone teach you; but as His Anointing teacheth you concerning all things, and is true, and is no lie, and even as He taught you, ye abide in Him.
Matthew 10:22
And ye will be hated by all, for My name's sake; but he who endures to the end, the same shall be saved.
Matthew 24:13
But he that endures to the end, the same shall be saved.
John 6:45
It has been written in the prophets, 'And they shall all be taught of God.' Every one who heard from the Father, and learned, comes to Me.
1 Corinthians 1:7-8
so that ye fall short in no gift, waiting for the revelation of our Lord Jesus Christ;
1 John 2:19-20
They went out from among us, but they were not of us; for if they had been of us, they would have continued with us; but they went out, that they might be made manifest, that they are not all of us.
Revelation 2:26
And he that overcomes, and he that keeps My works until the end, to him will I give authority over the nations;