1 Thessalonians 3:5

3:5 So when I could bear it no longer, I sent to find out about your faith, for fear that the tempter somehow tempted you and our toil had proven useless.

1 Thessalonians 3:9-10

3:9 For how can we thank God enough for you, for all the joy we feel because of you before our God? 3:10 We pray earnestly night and day to see you in person and make up what may be lacking in your faith.

1 Thessalonians 3:13

3:13 so that your hearts are strengthened in holiness to be blameless before our God and Father at the coming of our Lord Jesus with all his saints.