James 4:16

But now you glory in your boasting; all such glorying is evil.

1 Corinthians 5:6

Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass?

1 Corinthians 4:7-8

For who made you to differ? And what have you that you did not receive? And if you received, why do you boast as one that receives not?

James 3:14

But if you have bitter envying and strife in your hearts, boast not and lie not against the truth.

Revelation 18:7

as much as she glorified herself, and lived luxuriously, so much distress and sorrow give her. For she says in her mind, I sit a queen and am not a widow and I see not sorrow.

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 envying and strife in your hearts, boast not and lie not against the truth.
1 Corinthians 4:7
For who made you to differ? And what have you that you did not receive? And if you received, why do you boast as one that receives not?
1 Corinthians 5:6
Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass?
Revelation 18:7
as much as she glorified herself, and lived luxuriously, so much distress and sorrow give her. For she says in her mind, I sit a queen and am not a widow and I see not sorrow.