Galatians 6:4

but let every one bring his own work to the test, and then he will have matter of glorying in himself alone, and not in another.

1 Corinthians 11:28

Let a man then sift and approve himself, and accordingly let him eat of that bread, and drink of that cup.

2 Corinthians 13:5

Examine yourselves, whether you be in the faith; bring yourselves to the proof; are you so little acquainted with yourselves, as not to know whether Jesus Christ be in you? but if you are destitute of proofs,

Luke 18:11

the Pharisee in a standing posture pray'd thus by himself, O God, I thank thee, that I am not as other men, a robber, a cheat, an adulterer, or like that Publican.

1 Corinthians 1:12-13

I mean that one or other of you cries out "I am of Paul, and I of Apollos, and I of Cephas,

1 Corinthians 3:21-23

therefore, let no one glory in men: for all are yours:

1 Corinthians 4:3-4

as for me, it is a matter of no great concern that I should be called to account by you, or any human authority; not that I am my own judge;

1 Corinthians 4:6-7

These things, my brethren, I have represented to you in my own person, and that of Apollos, out of respect to you: to show you how to moderate your esteem by the rule prescrib'd, that you may not be transported in favour of one rather than another.

2 Corinthians 1:12

for this is to me matter of glorying, the testimony of my conscience, that without artifice, and with religious sincerity, not by worldly wisdom, but by God's favourable assistance I have behaved my self towards all men, but more particularly to you.

2 Corinthians 11:12-13

but this I do, and shall do, to make them drop their hire, who are so bent upon hire: and then indeed they will be as they pretend to be, like me.

Galatians 6:13

for even they who are circumcised, do not themselves observe the law in other respects; but they dedesire to have you circumcised, that they may have matter of glorying upon that account.

1 John 3:19-22

Hereby we shall know that we are true professors, and set our consciences securely at rest.

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
Let a man then sift and approve himself, and accordingly let him eat of that bread, and drink of that cup.
2 Corinthians 13:5
Examine yourselves, whether you be in the faith; bring yourselves to the proof; are you so little acquainted with yourselves, as not to know whether Jesus Christ be in you? but if you are destitute of proofs,

Rejoicing

1 Corinthians 4:3
as for me, it is a matter of no great concern that I should be called to account by you, or any human authority; not that I am my own judge;
2 Corinthians 1:12
for this is to me matter of glorying, the testimony of my conscience, that without artifice, and with religious sincerity, not by worldly wisdom, but by God's favourable assistance I have behaved my self towards all men, but more particularly to you.
1 John 3:19
Hereby we shall know that we are true professors, and set our consciences securely at rest.

And not

Galatians 6:13
for even they who are circumcised, do not themselves observe the law in other respects; but they dedesire to have you circumcised, that they may have matter of glorying upon that account.
Luke 18:11
the Pharisee in a standing posture pray'd thus by himself, O God, I thank thee, that I am not as other men, a robber, a cheat, an adulterer, or like that Publican.
1 Corinthians 1:12
I mean that one or other of you cries out "I am of Paul, and I of Apollos, and I of Cephas,
1 Corinthians 3:21
therefore, let no one glory in men: for all are yours:
1 Corinthians 4:6
These things, my brethren, I have represented to you in my own person, and that of Apollos, out of respect to you: to show you how to moderate your esteem by the rule prescrib'd, that you may not be transported in favour of one rather than another.
2 Corinthians 11:12
but this I do, and shall do, to make them drop their hire, who are so bent upon hire: and then indeed they will be as they pretend to be, like me.