James 4:16

But as it is, you boast in your arrogance; all such boasting is evil.

1 Corinthians 5:6

Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?

Psalm 52:1

For the choir director. A Maskil of David, when Doeg the Edomite came and told Saul and said to him, “David has come to the house of Ahimelech.”
Why do you boast in evil, O mighty man?
The lovingkindness of God endures all day long.

Psalm 52:7

“Behold, the man who would not make God his refuge,
But trusted in the abundance of his riches
And was strong in his evil desire.”

Proverbs 25:14

Like clouds and wind without rain
Is a man who boasts of his gifts falsely.

Proverbs 27:1

Do not boast about tomorrow,
For you do not know what a day may bring forth.

Isaiah 47:7-8

“Yet you said, ‘I will be a queen forever.’
These things you did not consider
Nor remember the outcome of them.

Isaiah 47:10

“You felt secure in your wickedness and said,
No one sees me,’
Your wisdom and your knowledge, they have deluded you;
For you have said in your heart,
I am, and there is no one besides me.’

1 Corinthians 4:7-8

For who regards you as superior? What do you have that you did not receive? And if you did receive it, why do you boast as if you had not received it?

James 3:14

But if you have bitter jealousy and selfish ambition in your heart, do not be arrogant and so lie against the truth.

Revelation 18:7

To the degree that she glorified herself and lived sensuously, to the same degree give her torment and mourning; for she says in her heart, ‘I sit as a queen and I am not a widow, and will never 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 selfish ambition in your heart, do not be arrogant and so lie against the truth.
Psalm 52:1
For the choir director. A Maskil of David, when Doeg the Edomite came and told Saul and said to him, “David has come to the house of Ahimelech.”
Why do you boast in evil, O mighty man?
The lovingkindness of God endures all day long.
Proverbs 25:14
Like clouds and wind without rain
Is a man who boasts of his gifts falsely.
Proverbs 27:1
Do not boast about tomorrow,
For you do not know what a day may bring forth.
Isaiah 47:7
“Yet you said, ‘I will be a queen forever.’
These things you did not consider
Nor remember the outcome of them.
1 Corinthians 4:7
For who regards you as superior? What do you have that you did not receive? And if you did receive it, why do you boast as if you had not received it?
1 Corinthians 5:6
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?
Revelation 18:7
To the degree that she glorified herself and lived sensuously, to the same degree give her torment and mourning; for she says in her heart, ‘I sit as a queen and I am not a widow, and will never see mourning.’