1 Thessalonians 3:9

For how can we thank God [enough] for you, in return for all the joy we have over you, in the presence of our God?

2 Corinthians 2:14

But I offer thanks to God, who always leads us [preachers] to victory in [the service of] Christ, and through us makes known the "fragrant odor" of His knowledge everywhere.

2 Corinthians 9:15

I thank God for His indescribable gift [i.e., Christ. See Rom. 8:32].

1 Thessalonians 1:2-3

We always thank God for all of you, [regularly] mentioning you in our prayers.

1 Thessalonians 2:19

For what is [the basis of] our hope, or joy, or crown of honor in the presence of the Lord Jesus when He comes back? [Note: By "crown" Paul alludes to the laurel wreath awarded to the victor in an athletic contest]. Will it not be you people?

1 Thessalonians 3:7-8

So, brothers, through all of our distress and persecution, we were encouraged over you because of your faith,

Treasury of Scripture Knowledge

Summary

For what thanks can we render to God again for you, for all the joy wherewith we joy for your sakes before our God;

Bible References

What

1 Thessalonians 1:2
We always thank God for all of you, [regularly] mentioning you in our prayers.
2 Corinthians 2:14
But I offer thanks to God, who always leads us [preachers] to victory in [the service of] Christ, and through us makes known the "fragrant odor" of His knowledge everywhere.
2 Corinthians 9:15
I thank God for His indescribable gift [i.e., Christ. See Rom. 8:32].

For

1 Thessalonians 3:7
So, brothers, through all of our distress and persecution, we were encouraged over you because of your faith,
1 Thessalonians 2:19
For what is [the basis of] our hope, or joy, or crown of honor in the presence of the Lord Jesus when He comes back? [Note: By "crown" Paul alludes to the laurel wreath awarded to the victor in an athletic contest]. Will it not be you people?