Galatians 6:4

But each one must examine his own work, and then he will have reason for boasting in regard to himself alone, and not in regard to another.

1 Corinthians 11:28

But a man must examine himself, and in so doing he is to eat of the bread and drink of the cup.

2 Corinthians 13:5

Test yourselves to see if you are in the faith; examine yourselves! Or do you not recognize this about yourselves, that Jesus Christ is in you—unless indeed you fail the test?

Job 13:15

Though He slay me,
I will hope in Him.
Nevertheless I will argue my ways before Him.

Psalm 26:2

Examine me, O Lord, and try me;
Test my mind and my heart.

Proverbs 14:14

The backslider in heart will have his fill of his own ways,
But a good man will be satisfied with his.

Luke 18:11

The Pharisee stood and was praying this to himself: ‘God, I thank You that I am not like other people: swindlers, unjust, adulterers, or even like this tax collector.

1 Corinthians 1:12-13

Now I mean this, that each one of you is saying, “I am of Paul,” and “I of Apollos,” and “I of Cephas,” and “I of Christ.”

1 Corinthians 3:21-23

So then let no one boast in men. For all things belong to you,

1 Corinthians 4:3-4

But to me it is a very small thing that I may be examined by you, or by any human court; in fact, I do not even examine myself.

1 Corinthians 4:6-7

Now these things, brethren, I have figuratively applied to myself and Apollos for your sakes, so that in us you may learn not to exceed what is written, so that no one of you will become arrogant in behalf of one against the other.

2 Corinthians 1:12

For our proud confidence is this: the testimony of our conscience, that in holiness and godly sincerity, not in fleshly wisdom but in the grace of God, we have conducted ourselves in the world, and especially toward you.

2 Corinthians 11:12-13

But what I am doing I will continue to do, so that I may cut off opportunity from those who desire an opportunity to be regarded just as we are in the matter about which they are boasting.

Galatians 6:13

For those who are circumcised do not even keep the Law themselves, but they desire to have you circumcised so that they may boast in your flesh.

1 John 3:19-22

We will know by this that we are of the truth, and will assure our heart before Him

Treasury of Scripture Knowledge

Summary

But let every man prove his own work, and then shall he have rejoicing in himself alone, and not in another.

Bible References

Prove

Job 13:15
Though He slay me,
I will hope in Him.
Nevertheless I will argue my ways before Him.
1 Corinthians 11:28
But a man must examine himself, and in so doing he is to eat of the bread and drink of the cup.
2 Corinthians 13:5
Test yourselves to see if you are in the faith; examine yourselves! Or do you not recognize this about yourselves, that Jesus Christ is in you—unless indeed you fail the test?

Rejoicing

Proverbs 14:14
The backslider in heart will have his fill of his own ways,
But a good man will be satisfied with his.
1 Corinthians 4:3
But to me it is a very small thing that I may be examined by you, or by any human court; in fact, I do not even examine myself.
2 Corinthians 1:12
For our proud confidence is this: the testimony of our conscience, that in holiness and godly sincerity, not in fleshly wisdom but in the grace of God, we have conducted ourselves in the world, and especially toward you.
1 John 3:19
We will know by this that we are of the truth, and will assure our heart before Him

And not

Galatians 6:13
For those who are circumcised do not even keep the Law themselves, but they desire to have you circumcised so that they may boast in your flesh.
Luke 18:11
The Pharisee stood and was praying this to himself: ‘God, I thank You that I am not like other people: swindlers, unjust, adulterers, or even like this tax collector.
1 Corinthians 1:12
Now I mean this, that each one of you is saying, “I am of Paul,” and “I of Apollos,” and “I of Cephas,” and “I of Christ.”
1 Corinthians 3:21
So then let no one boast in men. For all things belong to you,
1 Corinthians 4:6
Now these things, brethren, I have figuratively applied to myself and Apollos for your sakes, so that in us you may learn not to exceed what is written, so that no one of you will become arrogant in behalf of one against the other.
2 Corinthians 11:12
But what I am doing I will continue to do, so that I may cut off opportunity from those who desire an opportunity to be regarded just as we are in the matter about which they are boasting.