1 Thessalonians 3:5

For this cause being able to wait no longer, I sent to know the state of your faith, least the tempter should have tempted you, and our labor have been in vain.

Matthew 4:3

And the tempter came to Him and said, If thou art the Son of God, command these stones to become bread:

Philippians 2:16

exhibiting the word of life; to my rejoicing in the day of Christ, that I have not run in vain, nor laboured in vain.

1 Corinthians 7:5

Do not withdraw from one another, unless by consent for a season, that ye may attend to fasting and prayer: and come together again, least Satan tempt you through your incontinency.

Galatians 2:2

But I went up according to a divine revelation, and laid before them the gospel which I preach among the gentiles: though privately to those of note, least I should run, or had run in vain.

1 Thessalonians 3:1-2

Wherefore being able to contain no longer, we were content to be left alone at Athens,

Acts 15:36

And after some days Paul said to Barnabas, Let us return and visit our brethren in every city, where we have preached the word of the Lord, and see how they are.

2 Corinthians 2:11

for we are not ignorant of his devices.

2 Corinthians 7:5-7

For when we came into Macedonia, our flesh had no rest, but we were afflicted on every side; without were fightings, within were fears.

2 Corinthians 11:2-3

For I am jealous over you with a godly jealousy, having espoused you to one husband, that I may present you as a chaste virgin to Christ.

2 Corinthians 11:13-15

For such are false apostles, deceitful workers, transformed into apostles of Christ.

Galatians 1:6-9

I wonder that ye are so soon removed from him who called you by the grace of Christ to another gospel: which is not another;

Galatians 4:11

so that I am afraid for you, least I have indeed bestowed upon you labour in vain.

Ephesians 4:14

That we may be no longer children fluctuating and carried about with every wind of doctrine, by the artful insinuations of men, and their crafty methods of deceiving;

1 Thessalonians 2:1

For ye yourselves, brethren, know our entrance among you, that it was not in vain.

1 Thessalonians 3:6

But now Timothy being come back to us from you, and having brought us good tidings concerning your faith and love, and that ye have always a good remembrance of us, greatly desiring to see us, as we indeed do to see you;

James 1:13-14

Let no one that is tempted say, I am tempted of God: for God cannot be tempted by evils, and He tempteth no 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 a minister of God, and our fellow-labourer in the gospel of Christ, to establish and exhort you concerning your faith;
Acts 15:36
And after some days Paul said to Barnabas, Let us return and visit our brethren in every city, where we have preached the word of the Lord, and see how they are.
2 Corinthians 7:5
For when we came into Macedonia, our flesh had no rest, but we were afflicted on every side; without were fightings, within were fears.

And our

1 Thessalonians 2:1
For ye yourselves, brethren, know our entrance among you, that it was not in vain.
Galatians 2:2
But I went up according to a divine revelation, and laid before them the gospel which I preach among the gentiles: though privately to those of note, least I should run, or had run in vain.
Galatians 4:11
so that I am afraid for you, least I have indeed bestowed upon you labour in vain.
Philippians 2:16
exhibiting the word of life; to my rejoicing in the day of Christ, that I have not run in vain, nor laboured in vain.