Joy in Prison

Philippians 1:13-14 so that it became evident to the whole palace guard, and to all the rest, that my bonds are in Christ; and that most of the brothers in the Lord, being confident through my bonds, are more abundantly bold to speak the word of God without fear.

Philippians 1:17 but the latter out of love, knowing that I am appointed for the defense of the Good News.

Repeatedly speaking of joy . . .

Philippians 1:4 always in every request of mine on behalf of you all making my requests with joy

Philippians 1:18 What does it matter? Only that in every way, whether in pretense or in truth, Christ is proclaimed. I rejoice in this, yes, and will rejoice.

Philippians 1:25-26 Having this confidence, I know that I will remain, yes, and remain with you all, for your progress and joy in the faith, that your rejoicing may abound in Christ Jesus in me through my presence with you again.

Philippians 2:2 make my joy full, by being like-minded, having the same love, being of one accord, of one mind;

Philippians 2:17-18 Yes, and if I am poured out on the sacrifice and service of your faith, I rejoice, and rejoice with you all. In the same way, you also rejoice with me.

Philippians 2:29 Receive him therefore in the Lord with all joy, and hold such in honor,

Philippians 3:1 Finally, my brothers, rejoice in the Lord. To write the same things to you, to me indeed is not tiresome, but for you it is safe.

Philippians 4:1 Therefore, my brothers, beloved and longed for, my joy and crown, so stand firm in the Lord, my beloved.

Philippians 4:4 Rejoice in the Lord always! Again I will say, "rejoice!"

Philippians 4:10 But I rejoice in the Lord greatly, that now at length you have revived your thought for me; in which you did indeed take thought, but you lacked opportunity.
(Emphasis mine.)