1 Thessalonians 3:5

Therefore, since I could no longer endure the uncertainty, I sent to make inquiries about your faith, fearing that the Tempter had tempted you, and that our toil might prove to have been in vain.

Matthew 4:3

And the Tempter came to him, and said: "If you are God's Son, tell these stones to become loaves of bread."

Philippians 2:16

Offering to men the Message of Life; and then I shall be able at the Day of Christ to boast that I did not run my course for nothing, or toil for nothing.

1 Corinthians 7:5

Do not deprive each other of what is due-unless it is only for a time and by mutual consent, so that your minds may be free for prayer till you again live as man and wife-lest Satan should take advantage of your want of self-control and tempt you.

Galatians 2:2

It was in obedience to a revelation that I went; and I laid before the Apostles the Good News that I am proclaiming among the Gentiles. I did this privately before those who are thought highly of, for fear that I might possibly be taking, or might have already taken, a course which would prove useless.

1 Thessalonians 3:1-2

And so, as we could bear it no longer, we made up our minds to remain behind alone at Athens,

Acts 15:36

Some time after this, Paul said to Barnabas: "Let us go back and visit the Brethren in every town in which we have told the Lord's Message, and see how they are prospering."

2 Corinthians 2:11

So as to prevent Satan from taking advantage of us; for we are not ignorant of his devices.

2 Corinthians 7:5-7

Ever since we reached Macedonia, we have had no rest in body or mind; on every side there have been troubles--conflicts without, anxieties within.

2 Corinthians 11:2-3

I am jealous over you with the jealousy of God. For I betrothed you to one husband, that I might present you to the Christ a pure bride.

2 Corinthians 11:13-15

Men of this stamp are false apostles, treacherous workers, disguising themselves as Apostles of Christ!

Galatians 1:6-9

I am astonished at your so soon deserting him, who called you through the love of Christ, for a different 'Good News,'

Galatians 4:11

You make me fear that the labor which I have spent on you may have been wasted.

Ephesians 4:14

Then we shall no longer be like infants, tossed backward and forward, blown about by every breath of human teaching, through the trickery and the craftiness of men, towards the snares of error;

1 Thessalonians 2:1

Yes, Brothers, you yourselves know that your reception of us was not without result.

1 Thessalonians 3:6

But, when Timothy recently returned to us from you with good news of your faith and love, and told us how kindly you think of us--always longing, he said, to see us, just as we are longing to see you--

James 1:13-14

Let no one say, when he is tempted, "It is God who is tempting me!" For God, who cannot be tempted to do wrong, does not himself tempt any one.

Treasury of Scripture Knowledge

Summary

For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain.

Bible References

I sent

1 Thessalonians 3:2
And sent Timothy, our Brother and God's minister of the Good News of the Christ, to strengthen you, and to encourage you in your faith,
Acts 15:36
Some time after this, Paul said to Barnabas: "Let us go back and visit the Brethren in every town in which we have told the Lord's Message, and see how they are prospering."
2 Corinthians 7:5
Ever since we reached Macedonia, we have had no rest in body or mind; on every side there have been troubles--conflicts without, anxieties within.

And our

1 Thessalonians 2:1
Yes, Brothers, you yourselves know that your reception of us was not without result.
Galatians 2:2
It was in obedience to a revelation that I went; and I laid before the Apostles the Good News that I am proclaiming among the Gentiles. I did this privately before those who are thought highly of, for fear that I might possibly be taking, or might have already taken, a course which would prove useless.
Galatians 4:11
You make me fear that the labor which I have spent on you may have been wasted.
Philippians 2:16
Offering to men the Message of Life; and then I shall be able at the Day of Christ to boast that I did not run my course for nothing, or toil for nothing.