Galatians 6:4

But let each one prove his work, and then shall he have joy in himself alone and not in another,

1 Corinthians 11:28

But let a man prove himself, and so let him eat of the bread and drink of the cup;

2 Corinthians 13:5

Try yourselves, whether you are in the faith; prove yourselves; or know you not yourselves that Christ is in you unless you are reprobates?

Luke 18:11

The Pharisee, standing by himself, offered this prayer; God, I thank thee that I am not as other men, rapacious, unjust, adulterers, or even as this publican;

1 Corinthians 1:12-13

I mean this; that each one of you says I indeed am of Paul, and I of Apollos, and I of Cephas, and I of Christ.

1 Corinthians 3:21-23

Let no one therefore glory in men; for all things are yours,

1 Corinthians 4:3-4

But it is of little account to me that I should be judged by you or by man's day [judgment]; but I judge not myself;

1 Corinthians 4:6-7

I have applied these things figuratively, brothers, to myself and Apollos on your account, that you may learn by us not to [go beyond] what is written, that you may not be puffed up for one against another.

2 Corinthians 1:12

For this is our rejoicing; the testimony of our conscience that in purity and godly sincerity, not with a carnal wisdom, but with a divine grace, we have conducted ourselves in the world, and most abundantly towards you.

2 Corinthians 11:12-13

But what I do I also will do, that I may take away an occasion from those who wish an occasion, that wherein they boast they may be found even as we are.

Galatians 6:13

For the circumcised themselves do not keep the law, but they wish you to be circumcised that they may glory in your flesh.

1 John 3:19-22

And by this we know that we are of the truth, and shall assure our hearts 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

1 Corinthians 11:28
But let a man prove himself, and so let him eat of the bread and drink of the cup;
2 Corinthians 13:5
Try yourselves, whether you are in the faith; prove yourselves; or know you not yourselves that Christ is in you unless you are reprobates?

Rejoicing

1 Corinthians 4:3
But it is of little account to me that I should be judged by you or by man's day [judgment]; but I judge not myself;
2 Corinthians 1:12
For this is our rejoicing; the testimony of our conscience that in purity and godly sincerity, not with a carnal wisdom, but with a divine grace, we have conducted ourselves in the world, and most abundantly towards you.
1 John 3:19
And by this we know that we are of the truth, and shall assure our hearts before him;

And not

Galatians 6:13
For the circumcised themselves do not keep the law, but they wish you to be circumcised that they may glory in your flesh.
Luke 18:11
The Pharisee, standing by himself, offered this prayer; God, I thank thee that I am not as other men, rapacious, unjust, adulterers, or even as this publican;
1 Corinthians 1:12
I mean this; that each one of you says I indeed am of Paul, and I of Apollos, and I of Cephas, and I of Christ.
1 Corinthians 3:21
Let no one therefore glory in men; for all things are yours,
1 Corinthians 4:6
I have applied these things figuratively, brothers, to myself and Apollos on your account, that you may learn by us not to [go beyond] what is written, that you may not be puffed up for one against another.
2 Corinthians 11:12
But what I do I also will do, that I may take away an occasion from those who wish an occasion, that wherein they boast they may be found even as we are.