James 4:16

But now you are glorying in these insolent boastings of yours; all such glorying is evil.

1 Corinthians 5:6

Your glorying is not good. Do you not know that even a little leaven leavens all the lump?

1 Corinthians 4:7-8

For who makes you a differ, brother? Or what have you that you did not receive? But if you did receive it, why are you boasting as if you had not received it?

James 3:14

But if you have bitter jealousy and faction in your heart, do not be boasting of that, and be false to the truth.

Revelation 18:7

By so much as she glorified herself and waxed wanton, By so much give her of torture and tears, For she says in her heart, 'I sit here a queen, I am no widow. I shall in no wise see mourning.'

Treasury of Scripture Knowledge

Summary

But now ye rejoice in your boastings: all such rejoicing is evil.

Bible References

General references

James 3:14
But if you have bitter jealousy and faction in your heart, do not be boasting of that, and be false to the truth.
1 Corinthians 4:7
For who makes you a differ, brother? Or what have you that you did not receive? But if you did receive it, why are you boasting as if you had not received it?
1 Corinthians 5:6
Your glorying is not good. Do you not know that even a little leaven leavens all the lump?
Revelation 18:7
By so much as she glorified herself and waxed wanton, By so much give her of torture and tears, For she says in her heart, 'I sit here a queen, I am no widow. I shall in no wise see mourning.'