1 Thessalonians 3:5

For this reason I also, no longer able to refrain myself, sent to know your faith, lest perhaps the tempter had tempted you and our labour should be come to nothing.

Matthew 4:3

And the tempter coming up to him said, If thou be Son of God, speak, that these stones may become loaves of bread.

Philippians 2:16

holding forth the word of life, so as to be a boast for me in Christ's day, that I have not run in vain nor laboured in vain.

1 Corinthians 7:5

Defraud not one another, unless, it may be, by consent for a time, that ye may devote yourselves to prayer, and again be together, that Satan tempt you not because of your incontinency.

Galatians 2:2

and I went up according to revelation, and I laid before them the glad tidings which I preach among the nations, but privately to those conspicuous among them, lest in any way I run or had run in vain;

1 Thessalonians 3:1-2

Wherefore, being no longer able to refrain ourselves, we thought good to be left alone in Athens,

Isaiah 49:4

And I said, I have laboured in vain, I have spent my strength for nought and in vain; nevertheless my judgment is with Jehovah, and my work with my God.

Acts 15:36

But after certain days Paul said to Barnabas, Let us return now and visit the brethren in every city where we have announced the word of the Lord, and see how they are getting on.

2 Corinthians 2:11

that we might not have Satan get an advantage against us, for we are not ignorant of his thoughts.

2 Corinthians 7:5-7

For indeed, when we came into Macedonia, our flesh had no rest, but we were afflicted in every way; without combats, within fears.

2 Corinthians 11:2-3

For I am jealous as to you with a jealousy which is of God; for I have espoused you unto one man, to present you a chaste virgin to Christ.

2 Corinthians 11:13-15

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

Galatians 1:6-9

I wonder that ye thus quickly change, from him that called you in Christ's grace, to a different gospel,

Galatians 4:11

I am afraid of you, lest indeed I have laboured in vain as to you.

Ephesians 4:14

in order that we may be no longer babes, tossed and carried about by every wind of that teaching which is in the sleight of men, in unprincipled cunning with a view to systematized error;

1 Thessalonians 2:1

For ye know yourselves, brethren, our entering in which we had to you, that it has not been in vain;

1 Thessalonians 3:6

But Timotheus having just come to us from you, and brought to us the glad tidings of your faith and love, and that ye have always good remembrance of us, desiring much to see us, even as we also you;

James 1:13-14

Let no man, being tempted, say, I am tempted of God. For God cannot be tempted by evil things, and himself tempts 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.

General references

Bible References

I sent

1 Thessalonians 3:2
and sent Timotheus, our brother and fellow-workman under God in the glad tidings of Christ, to confirm you and encourage you concerning your faith,
Acts 15:36
But after certain days Paul said to Barnabas, Let us return now and visit the brethren in every city where we have announced the word of the Lord, and see how they are getting on.
2 Corinthians 7:5
For indeed, when we came into Macedonia, our flesh had no rest, but we were afflicted in every way; without combats, within fears.

And our

1 Thessalonians 2:1
For ye know yourselves, brethren, our entering in which we had to you, that it has not been in vain;
Isaiah 49:4
And I said, I have laboured in vain, I have spent my strength for nought and in vain; nevertheless my judgment is with Jehovah, and my work with my God.
Galatians 2:2
and I went up according to revelation, and I laid before them the glad tidings which I preach among the nations, but privately to those conspicuous among them, lest in any way I run or had run in vain;
Galatians 4:11
I am afraid of you, lest indeed I have laboured in vain as to you.
Philippians 2:16
holding forth the word of life, so as to be a boast for me in Christ's day, that I have not run in vain nor laboured in vain.

General references

Daniel 6:19
Then the king arose with the light at break of day, and went in haste unto the den of lions.