Philippians 1:6

1:6 For I am sure of this very thing, that the one who began a good work in you will perfect it until the day of Christ Jesus.

Philippians 1:25

1:25 And since I am sure of this, I know that I will remain and continue with all of you for the sake of your progress and joy in the faith,

Philippians 1:29

1:29 For it has been granted to you not only to believe in Christ but also to suffer for him,