James 2:20

And wilt thou know, O empty man, that faith without works is dead?

James 2:26

For as the body without the spirit is dead, so also faith without works is dead.

Job 11:11-12

For he knew men of vanity, and he will see iniquity; and will he not understand?

Psalm 94:8-11

Understand, ye brutish among the people: and ye foolish, when will ye understand?

Proverbs 12:11

He working his earth shall be filled with bread: and he pursuing vain things wanted heart.

Jeremiah 2:5

Thus said Jehovah, What iniquity found your fathers in me that they removed far off from me, and went after vanity, and they became vain?

Romans 1:21

Wherefore having known God, not as God did they honour or return thanks; but were rendered vain in their conversations, and their heart without understanding was darkened.

1 Corinthians 15:35-36

But some one will say, How are the dead raised up? and with what body do they come?

Galatians 5:6

For in Christ Jesus neither circumcision has any power, nor uncircumcision; but faith being energetic through love.

Galatians 6:3

For if any think to be something, being nothing, he deceives himself.

Colossians 2:8

See ye lest any be carrying you off by philosophy and empty deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.

1 Timothy 1:6

Which some having missed turned away to vain discourse

Titus 1:10

For many also are disorderly, vain talkers and infatuates, especially they of the circumcision:

James 1:26

If any among you seem to be religious, bridling not his tongue, but deceiving his heart, the religion of this one vain.

James 2:17

So also faith, if it have not works, is dead by itself.

Treasury of Scripture Knowledge

Summary

But wilt thou know, O vain man, that faith without works is dead?

That

General references

Bible References

O vain

James 1:26
If any among you seem to be religious, bridling not his tongue, but deceiving his heart, the religion of this one vain.
Job 11:11
For he knew men of vanity, and he will see iniquity; and will he not understand?
Psalm 94:8
Understand, ye brutish among the people: and ye foolish, when will ye understand?
Proverbs 12:11
He working his earth shall be filled with bread: and he pursuing vain things wanted heart.
Jeremiah 2:5
Thus said Jehovah, What iniquity found your fathers in me that they removed far off from me, and went after vanity, and they became vain?
Romans 1:21
Wherefore having known God, not as God did they honour or return thanks; but were rendered vain in their conversations, and their heart without understanding was darkened.
1 Corinthians 15:35
But some one will say, How are the dead raised up? and with what body do they come?
Galatians 6:3
For if any think to be something, being nothing, he deceives himself.
Colossians 2:8
See ye lest any be carrying you off by philosophy and empty deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.
1 Timothy 1:6
Which some having missed turned away to vain discourse
Titus 1:10
For many also are disorderly, vain talkers and infatuates, especially they of the circumcision:

That

James 2:14
And what profit, my brethren, if any say he has faith, and should not have works? can faith save him?

General references

1 Corinthians 15:14
And if Christ has not risen, then our proclaiming vain, and also your faith vain.