And after you have suffered a little while, the God of all grace, who has called you to his eternal glory in Christ, will himself restore, establish, and strengthen you.

Our gospel

on that day when, according to my gospel, God will judge the secrets of men by Christ Jesus.

Now to him who is able to establish you according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery which was kept secret for long ages

for our gospel came to you not only in word, but also in power and in the Holy Spirit and with full conviction. You know what kind of men we proved to be among you for your sake.

To

His master said to him, 'Well done, good and faithful servant; you have been faithful over a few things, I will make you ruler over many things. Enter into the joy of your master.'

In my Father's house are many rooms; if it were not so, I would have told you. I go to prepare a place for you.

And the glory which you gave me I have given them, that they may be one just as we are one:

and if children, then heirsheirs of God and fellow heirs with Christ, if indeed we suffer with him, in order that we may also be glorified with him.

I pray also that the eyes of your heart may be enlightened, so that you may know what is the hope to which he has called you, what are the riches of his glorious inheritance in the saints,

to live a life worthy of God, who calls you into his own kingdom and glory.

if we endure, we will also reign with him; if we deny him, he also will deny us;

to obtain an inheritance which is imperishable and undefiled and will not fade away, kept in heaven for you,

And after you have suffered a little while, the God of all grace, who has called you to his eternal glory in Christ, will himself restore, establish, and strengthen you.

To him who overcomes, I will grant to sit with me on my throne, as I also overcame and sat down with my Father on his throne.

And the city has no need of the sun or of the moon to shine on it, for the glory of God gives it light, and its lamp is the Lamb.

There will no longer be any curse; and the throne of God and of the Lamb will be in it, and his servants will serve him.

General references

So it depends not upon man's will or exertion, but upon God's mercy.