when.

1 Thessalonians 3:1
So when we could bear it no longer, we were willing to be left on our own in Athens.

I sent.

1 Thessalonians 3:2, 6
We sent Timothy, our brother and God's fellow worker in the gospel of Christ, to strengthen and encourage you in your faith, . . .

Acts 15:36
Some time later Paul said to Barnabas, "Let us go back and visit the brothers in every town where we proclaimed the word of the Lord, to see how they are doing."

2 Corinthians 7:5-7
For when we arrived in Macedonia, our bodies had no rest, but we were pressed from every direction--conflicts on the outside, fears within. . . .

lest.

Matthew 4:3
The tempter came to Him and said, "If You are the Son of God, tell these stones to become bread."

1 Corinthians 7:5
Do not deprive one another, except by mutual consent for a limited time, so you may devote yourselves to prayer. Then come together again, so that Satan will not tempt you through your lack of self-control.

2 Corinthians 2:11
in order that Satan should not outwit us. For we are not unaware of his schemes.

2 Corinthians 11:2, 3, 13-15
I am jealous for you with a godly jealousy. For I promised you to one husband, to present you as a pure virgin to Christ. . . .

Galatians 1:6-9
I am astonished how quickly you are deserting the One who called you by the grace of Christ and are turning to a different gospel-- . . .

Ephesians 4:14
Then we will no longer be infants, tossed about by the waves and carried around by every wind of teaching and by the clever cunning of men in their deceitful scheming.

James 1:13, 14
When tempted, no one should say, "God is tempting me." For God cannot be tempted by evil, nor does He tempt anyone. . . .

and our.

1 Thessalonians 2:1
You yourselves know, brothers, that our visit to you was not in vain.

Isaiah 49:4
But I said, "I have labored in vain, I have spent my strength in futility and vanity; yet my vindication is with the LORD, and my reward is with my God."

Galatians 2:2
I went in response to a revelation and set before them the gospel that I preach among the Gentiles. But I spoke privately to those recognized as leaders, for fear that I was running or had already run in vain.

Galatians 4:11
I fear for you, that my efforts for you may have been in vain.

Philippians 2:16
as you hold forth the word of life, in order that I may boast on the day of Christ that I did not run or labor in vain.