1 Thessalonians 3:4-6

Amplified Bible

⁴ For even when we were with you, we warned you plainly in advance that we were going to experience persecution; and so, as you know, it has come to pass. ⁵ For this reason, when I could no longer endure the suspense, I sent someone to find out about your faith [how you were holding up under pressure], for fear that somehow the tempter had tempted you and our work [among you] would prove to be ineffective.

⁶ But now that Timothy has come back to us from [his visit with] you, and has brought us good news of your [steadfast] faith and [the warmth of your] love, and [reported] that you always think kindly of us and treasure your memories of us, longing to see us just as we long to see you,